sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26
  27 static void SV_SaveEntFile_f(void);
  28 static void SV_StartDownload_f(void);
  29 static void SV_Download_f(void);
  30 static void SV_VM_Setup(void);
  31 extern cvar_t net_connecttimeout;
  32
  33 void VM_CustomStats_Clear (void);
  34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  35
  36 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  37 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  38 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  39 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  40
  41 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  42 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  43 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  44 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  45 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  46 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  48 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  49 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  50 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  51 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  52
  53 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  54 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  55 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
  56 cvar_t sv_airaccel_qw_stretchfactor = {0, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
  57 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  58 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  59 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  60 cvar_t sv_airspeedlimit_nonqw = {0, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  61 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  62 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  63 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  64 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  65 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  66 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  67 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  68 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  69 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  70 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  71 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  72 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  73 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  74 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  75 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  76 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  77 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  78 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  79 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  80 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  81 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  82 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  83 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  84 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  85 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  86 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  87 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  88 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  89 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  90 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  91 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  92 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  93 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  94 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  95 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  96 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  97 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  98 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
  99 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
 100 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
 101 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
 102 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 103 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 104 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
 105 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 106 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 107 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 108 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
 109 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 110 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 111 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {0, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 112 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 113 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 114 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 115 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 116 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 117 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
 118 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 119 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {0, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "grude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 120 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 121 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 122 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 123 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {0, "sv_gameplayfix_q1bsptracelinereportstexture", "1", "enables mods to get accurate trace_texture results on q1bsp by using a surface-hitting traceline implementation rather than the standard solidbsp method, q3bsp always reports texture accurately"};
 124 cvar_t sv_gameplayfix_unstickplayers = {0, "sv_gameplayfix_unstickplayers", "1", "big hack to try and fix the rare case of MOVETYPE_WALK entities getting stuck in the world clipping hull."};
 125 cvar_t sv_gameplayfix_unstickentities = {0, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 126 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 127 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 128 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 129 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 130 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 131 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 132 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 133 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 134 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 135 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 136 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 137 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 138 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 139 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 140 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 141 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 142 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 143 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 144 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 145 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 146 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 147 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 148 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 149 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 150 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 151 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 152 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 153 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
 154 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
 155 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 156
 157 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 158 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 159 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 160 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 161 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 162 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 163 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 164 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 165 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 166 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 167
 168 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 189
 190 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
 191 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
 192 cvar_t sv_autodemo_perclient_discardable = {CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 193
 194 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 195
 196 server_t sv;
 197 server_static_t svs;
 198
 199 mempool_t *sv_mempool = NULL;
 200
 201 extern cvar_t slowmo;
 202 extern float            scr_centertime_off;
 203
 204 // MUST match effectnameindex_t in client.h
 205 static const char *standardeffectnames[EFFECT_TOTAL] =
 206 {
 207         "",
 208         "TE_GUNSHOT",
 209         "TE_GUNSHOTQUAD",
 210         "TE_SPIKE",
 211         "TE_SPIKEQUAD",
 212         "TE_SUPERSPIKE",
 213         "TE_SUPERSPIKEQUAD",
 214         "TE_WIZSPIKE",
 215         "TE_KNIGHTSPIKE",
 216         "TE_EXPLOSION",
 217         "TE_EXPLOSIONQUAD",
 218         "TE_TAREXPLOSION",
 219         "TE_TELEPORT",
 220         "TE_LAVASPLASH",
 221         "TE_SMALLFLASH",
 222         "TE_FLAMEJET",
 223         "EF_FLAME",
 224         "TE_BLOOD",
 225         "TE_SPARK",
 226         "TE_PLASMABURN",
 227         "TE_TEI_G3",
 228         "TE_TEI_SMOKE",
 229         "TE_TEI_BIGEXPLOSION",
 230         "TE_TEI_PLASMAHIT",
 231         "EF_STARDUST",
 232         "TR_ROCKET",
 233         "TR_GRENADE",
 234         "TR_BLOOD",
 235         "TR_WIZSPIKE",
 236         "TR_SLIGHTBLOOD",
 237         "TR_KNIGHTSPIKE",
 238         "TR_VORESPIKE",
 239         "TR_NEHAHRASMOKE",
 240         "TR_NEXUIZPLASMA",
 241         "TR_GLOWTRAIL",
 242         "SVC_PARTICLE"
 243 };
 244
 245 #define SV_REQFUNCS 0
 246 #define sv_reqfuncs NULL
 247
 248 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 249 //static const char *sv_reqfuncs[] = {
 250 //};
 251
 252 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 253
 254 prvm_required_field_t sv_reqfields[] =
 255 {
 256 #define PRVM_DECLARE_serverglobalfloat(x)
 257 #define PRVM_DECLARE_serverglobalvector(x)
 258 #define PRVM_DECLARE_serverglobalstring(x)
 259 #define PRVM_DECLARE_serverglobaledict(x)
 260 #define PRVM_DECLARE_serverglobalfunction(x)
 261 #define PRVM_DECLARE_clientglobalfloat(x)
 262 #define PRVM_DECLARE_clientglobalvector(x)
 263 #define PRVM_DECLARE_clientglobalstring(x)
 264 #define PRVM_DECLARE_clientglobaledict(x)
 265 #define PRVM_DECLARE_clientglobalfunction(x)
 266 #define PRVM_DECLARE_menuglobalfloat(x)
 267 #define PRVM_DECLARE_menuglobalvector(x)
 268 #define PRVM_DECLARE_menuglobalstring(x)
 269 #define PRVM_DECLARE_menuglobaledict(x)
 270 #define PRVM_DECLARE_menuglobalfunction(x)
 271 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 272 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 273 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 274 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 275 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 276 #define PRVM_DECLARE_clientfieldfloat(x)
 277 #define PRVM_DECLARE_clientfieldvector(x)
 278 #define PRVM_DECLARE_clientfieldstring(x)
 279 #define PRVM_DECLARE_clientfieldedict(x)
 280 #define PRVM_DECLARE_clientfieldfunction(x)
 281 #define PRVM_DECLARE_menufieldfloat(x)
 282 #define PRVM_DECLARE_menufieldvector(x)
 283 #define PRVM_DECLARE_menufieldstring(x)
 284 #define PRVM_DECLARE_menufieldedict(x)
 285 #define PRVM_DECLARE_menufieldfunction(x)
 286 #define PRVM_DECLARE_serverfunction(x)
 287 #define PRVM_DECLARE_clientfunction(x)
 288 #define PRVM_DECLARE_menufunction(x)
 289 #define PRVM_DECLARE_field(x)
 290 #define PRVM_DECLARE_global(x)
 291 #define PRVM_DECLARE_function(x)
 292 #include "prvm_offsets.h"
 293 #undef PRVM_DECLARE_serverglobalfloat
 294 #undef PRVM_DECLARE_serverglobalvector
 295 #undef PRVM_DECLARE_serverglobalstring
 296 #undef PRVM_DECLARE_serverglobaledict
 297 #undef PRVM_DECLARE_serverglobalfunction
 298 #undef PRVM_DECLARE_clientglobalfloat
 299 #undef PRVM_DECLARE_clientglobalvector
 300 #undef PRVM_DECLARE_clientglobalstring
 301 #undef PRVM_DECLARE_clientglobaledict
 302 #undef PRVM_DECLARE_clientglobalfunction
 303 #undef PRVM_DECLARE_menuglobalfloat
 304 #undef PRVM_DECLARE_menuglobalvector
 305 #undef PRVM_DECLARE_menuglobalstring
 306 #undef PRVM_DECLARE_menuglobaledict
 307 #undef PRVM_DECLARE_menuglobalfunction
 308 #undef PRVM_DECLARE_serverfieldfloat
 309 #undef PRVM_DECLARE_serverfieldvector
 310 #undef PRVM_DECLARE_serverfieldstring
 311 #undef PRVM_DECLARE_serverfieldedict
 312 #undef PRVM_DECLARE_serverfieldfunction
 313 #undef PRVM_DECLARE_clientfieldfloat
 314 #undef PRVM_DECLARE_clientfieldvector
 315 #undef PRVM_DECLARE_clientfieldstring
 316 #undef PRVM_DECLARE_clientfieldedict
 317 #undef PRVM_DECLARE_clientfieldfunction
 318 #undef PRVM_DECLARE_menufieldfloat
 319 #undef PRVM_DECLARE_menufieldvector
 320 #undef PRVM_DECLARE_menufieldstring
 321 #undef PRVM_DECLARE_menufieldedict
 322 #undef PRVM_DECLARE_menufieldfunction
 323 #undef PRVM_DECLARE_serverfunction
 324 #undef PRVM_DECLARE_clientfunction
 325 #undef PRVM_DECLARE_menufunction
 326 #undef PRVM_DECLARE_field
 327 #undef PRVM_DECLARE_global
 328 #undef PRVM_DECLARE_function
 329 };
 330
 331 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 332
 333 prvm_required_field_t sv_reqglobals[] =
 334 {
 335 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 336 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 337 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 338 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 339 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 340 #define PRVM_DECLARE_clientglobalfloat(x)
 341 #define PRVM_DECLARE_clientglobalvector(x)
 342 #define PRVM_DECLARE_clientglobalstring(x)
 343 #define PRVM_DECLARE_clientglobaledict(x)
 344 #define PRVM_DECLARE_clientglobalfunction(x)
 345 #define PRVM_DECLARE_menuglobalfloat(x)
 346 #define PRVM_DECLARE_menuglobalvector(x)
 347 #define PRVM_DECLARE_menuglobalstring(x)
 348 #define PRVM_DECLARE_menuglobaledict(x)
 349 #define PRVM_DECLARE_menuglobalfunction(x)
 350 #define PRVM_DECLARE_serverfieldfloat(x)
 351 #define PRVM_DECLARE_serverfieldvector(x)
 352 #define PRVM_DECLARE_serverfieldstring(x)
 353 #define PRVM_DECLARE_serverfieldedict(x)
 354 #define PRVM_DECLARE_serverfieldfunction(x)
 355 #define PRVM_DECLARE_clientfieldfloat(x)
 356 #define PRVM_DECLARE_clientfieldvector(x)
 357 #define PRVM_DECLARE_clientfieldstring(x)
 358 #define PRVM_DECLARE_clientfieldedict(x)
 359 #define PRVM_DECLARE_clientfieldfunction(x)
 360 #define PRVM_DECLARE_menufieldfloat(x)
 361 #define PRVM_DECLARE_menufieldvector(x)
 362 #define PRVM_DECLARE_menufieldstring(x)
 363 #define PRVM_DECLARE_menufieldedict(x)
 364 #define PRVM_DECLARE_menufieldfunction(x)
 365 #define PRVM_DECLARE_serverfunction(x)
 366 #define PRVM_DECLARE_clientfunction(x)
 367 #define PRVM_DECLARE_menufunction(x)
 368 #define PRVM_DECLARE_field(x)
 369 #define PRVM_DECLARE_global(x)
 370 #define PRVM_DECLARE_function(x)
 371 #include "prvm_offsets.h"
 372 #undef PRVM_DECLARE_serverglobalfloat
 373 #undef PRVM_DECLARE_serverglobalvector
 374 #undef PRVM_DECLARE_serverglobalstring
 375 #undef PRVM_DECLARE_serverglobaledict
 376 #undef PRVM_DECLARE_serverglobalfunction
 377 #undef PRVM_DECLARE_clientglobalfloat
 378 #undef PRVM_DECLARE_clientglobalvector
 379 #undef PRVM_DECLARE_clientglobalstring
 380 #undef PRVM_DECLARE_clientglobaledict
 381 #undef PRVM_DECLARE_clientglobalfunction
 382 #undef PRVM_DECLARE_menuglobalfloat
 383 #undef PRVM_DECLARE_menuglobalvector
 384 #undef PRVM_DECLARE_menuglobalstring
 385 #undef PRVM_DECLARE_menuglobaledict
 386 #undef PRVM_DECLARE_menuglobalfunction
 387 #undef PRVM_DECLARE_serverfieldfloat
 388 #undef PRVM_DECLARE_serverfieldvector
 389 #undef PRVM_DECLARE_serverfieldstring
 390 #undef PRVM_DECLARE_serverfieldedict
 391 #undef PRVM_DECLARE_serverfieldfunction
 392 #undef PRVM_DECLARE_clientfieldfloat
 393 #undef PRVM_DECLARE_clientfieldvector
 394 #undef PRVM_DECLARE_clientfieldstring
 395 #undef PRVM_DECLARE_clientfieldedict
 396 #undef PRVM_DECLARE_clientfieldfunction
 397 #undef PRVM_DECLARE_menufieldfloat
 398 #undef PRVM_DECLARE_menufieldvector
 399 #undef PRVM_DECLARE_menufieldstring
 400 #undef PRVM_DECLARE_menufieldedict
 401 #undef PRVM_DECLARE_menufieldfunction
 402 #undef PRVM_DECLARE_serverfunction
 403 #undef PRVM_DECLARE_clientfunction
 404 #undef PRVM_DECLARE_menufunction
 405 #undef PRVM_DECLARE_field
 406 #undef PRVM_DECLARE_global
 407 #undef PRVM_DECLARE_function
 408 };
 409
 410
 411
 412 //============================================================================
 413
 414 void SV_AreaStats_f(void)
 415 {
 416         World_PrintAreaStats(&sv.world, "server");
 417 }
 418
 419 /*
 420 ===============
 421 SV_Init
 422 ===============
 423 */
 424 void SV_Init (void)
 425 {
 426         // init the csqc progs cvars, since they are updated/used by the server code
 427         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 428         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 429         extern cvar_t csqc_progcrc;
 430         extern cvar_t csqc_progsize;
 431         extern cvar_t csqc_usedemoprogs;
 432
 433         Cvar_RegisterVariable(&sv_worldmessage);
 434         Cvar_RegisterVariable(&sv_worldname);
 435         Cvar_RegisterVariable(&sv_worldnamenoextension);
 436         Cvar_RegisterVariable(&sv_worldbasename);
 437
 438         Cvar_RegisterVariable (&csqc_progname);
 439         Cvar_RegisterVariable (&csqc_progcrc);
 440         Cvar_RegisterVariable (&csqc_progsize);
 441         Cvar_RegisterVariable (&csqc_usedemoprogs);
 442
 443         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 444         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 445         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 446         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 447
 448         Cvar_RegisterVariable (&coop);
 449         Cvar_RegisterVariable (&deathmatch);
 450         Cvar_RegisterVariable (&fraglimit);
 451         Cvar_RegisterVariable (&gamecfg);
 452         Cvar_RegisterVariable (&noexit);
 453         Cvar_RegisterVariable (&nomonsters);
 454         Cvar_RegisterVariable (&pausable);
 455         Cvar_RegisterVariable (&pr_checkextension);
 456         Cvar_RegisterVariable (&samelevel);
 457         Cvar_RegisterVariable (&skill);
 458         Cvar_RegisterVariable (&slowmo);
 459         Cvar_RegisterVariable (&sv_accelerate);
 460         Cvar_RegisterVariable (&sv_aim);
 461         Cvar_RegisterVariable (&sv_airaccel_qw);
 462         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 463         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 464         Cvar_RegisterVariable (&sv_airaccelerate);
 465         Cvar_RegisterVariable (&sv_airstopaccelerate);
 466         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 467         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 468         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 469         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 470         Cvar_RegisterVariable (&sv_aircontrol);
 471         Cvar_RegisterVariable (&sv_aircontrol_power);
 472         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 473         Cvar_RegisterVariable (&sv_allowdownloads);
 474         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 475         Cvar_RegisterVariable (&sv_allowdownloads_config);
 476         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 477         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 478         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 479         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 480         Cvar_RegisterVariable (&sv_clmovement_enable);
 481         Cvar_RegisterVariable (&sv_clmovement_minping);
 482         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 483         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 484         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 485         Cvar_RegisterVariable (&sv_cullentities_pvs);
 486         Cvar_RegisterVariable (&sv_cullentities_stats);
 487         Cvar_RegisterVariable (&sv_cullentities_trace);
 488         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 489         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 490         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 491         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 492         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 493         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 494         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 495         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 496         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 497         Cvar_RegisterVariable (&sv_debugmove);
 498         Cvar_RegisterVariable (&sv_echobprint);
 499         Cvar_RegisterVariable (&sv_edgefriction);
 500         Cvar_RegisterVariable (&sv_entpatch);
 501         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 502         Cvar_RegisterVariable (&sv_freezenonclients);
 503         Cvar_RegisterVariable (&sv_friction);
 504         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 505         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 506         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 507         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 508         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 509         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 510         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 511         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 512         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 513         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 514         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 515         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 516         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 517         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 518         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 519         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 520         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 521         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 522         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 523         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 524         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 525         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 526         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 527         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 528         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 529         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 530         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 531         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 532         Cvar_RegisterVariable (&sv_gravity);
 533         Cvar_RegisterVariable (&sv_idealpitchscale);
 534         Cvar_RegisterVariable (&sv_jumpstep);
 535         Cvar_RegisterVariable (&sv_jumpvelocity);
 536         Cvar_RegisterVariable (&sv_maxairspeed);
 537         Cvar_RegisterVariable (&sv_maxrate);
 538         Cvar_RegisterVariable (&sv_maxspeed);
 539         Cvar_RegisterVariable (&sv_maxvelocity);
 540         Cvar_RegisterVariable (&sv_nostep);
 541         Cvar_RegisterVariable (&sv_playerphysicsqc);
 542         Cvar_RegisterVariable (&sv_progs);
 543         Cvar_RegisterVariable (&sv_protocolname);
 544         Cvar_RegisterVariable (&sv_random_seed);
 545         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 546         Cvar_RegisterVariable (&sv_sound_land);
 547         Cvar_RegisterVariable (&sv_sound_watersplash);
 548         Cvar_RegisterVariable (&sv_stepheight);
 549         Cvar_RegisterVariable (&sv_stopspeed);
 550         Cvar_RegisterVariable (&sv_wallfriction);
 551         Cvar_RegisterVariable (&sv_wateraccelerate);
 552         Cvar_RegisterVariable (&sv_waterfriction);
 553         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 554         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 555         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 556         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 557         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 558         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 559         Cvar_RegisterVariable (&sys_ticrate);
 560         Cvar_RegisterVariable (&teamplay);
 561         Cvar_RegisterVariable (&timelimit);
 562
 563         Cvar_RegisterVariable (&saved1);
 564         Cvar_RegisterVariable (&saved2);
 565         Cvar_RegisterVariable (&saved3);
 566         Cvar_RegisterVariable (&saved4);
 567         Cvar_RegisterVariable (&savedgamecfg);
 568         Cvar_RegisterVariable (&scratch1);
 569         Cvar_RegisterVariable (&scratch2);
 570         Cvar_RegisterVariable (&scratch3);
 571         Cvar_RegisterVariable (&scratch4);
 572         Cvar_RegisterVariable (&temp1);
 573
 574         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 575         Cvar_RegisterVariable (&nehx00);
 576         Cvar_RegisterVariable (&nehx01);
 577         Cvar_RegisterVariable (&nehx02);
 578         Cvar_RegisterVariable (&nehx03);
 579         Cvar_RegisterVariable (&nehx04);
 580         Cvar_RegisterVariable (&nehx05);
 581         Cvar_RegisterVariable (&nehx06);
 582         Cvar_RegisterVariable (&nehx07);
 583         Cvar_RegisterVariable (&nehx08);
 584         Cvar_RegisterVariable (&nehx09);
 585         Cvar_RegisterVariable (&nehx10);
 586         Cvar_RegisterVariable (&nehx11);
 587         Cvar_RegisterVariable (&nehx12);
 588         Cvar_RegisterVariable (&nehx13);
 589         Cvar_RegisterVariable (&nehx14);
 590         Cvar_RegisterVariable (&nehx15);
 591         Cvar_RegisterVariable (&nehx16);
 592         Cvar_RegisterVariable (&nehx17);
 593         Cvar_RegisterVariable (&nehx18);
 594         Cvar_RegisterVariable (&nehx19);
 595         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 596
 597         Cvar_RegisterVariable (&sv_autodemo_perclient);
 598         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 599         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 600
 601         Cvar_RegisterVariable (&halflifebsp);
 602
 603         sv_mempool = Mem_AllocPool("server", 0, NULL);
 604 }
 605
 606 static void SV_SaveEntFile_f(void)
 607 {
 608         if (!sv.active || !sv.worldmodel)
 609         {
 610                 Con_Print("Not running a server\n");
 611                 return;
 612         }
 613         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 614 }
 615
 616
 617 /*
 618 =============================================================================
 619
 620 EVENT MESSAGES
 621
 622 =============================================================================
 623 */
 624
 625 /*
 626 ==================
 627 SV_StartParticle
 628
 629 Make sure the event gets sent to all clients
 630 ==================
 631 */
 632 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 633 {
 634         int i;
 635
 636         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 637                 return;
 638         MSG_WriteByte (&sv.datagram, svc_particle);
 639         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 640         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 641         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 642         for (i=0 ; i<3 ; i++)
 643                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 644         MSG_WriteByte (&sv.datagram, count);
 645         MSG_WriteByte (&sv.datagram, color);
 646         SV_FlushBroadcastMessages();
 647 }
 648
 649 /*
 650 ==================
 651 SV_StartEffect
 652
 653 Make sure the event gets sent to all clients
 654 ==================
 655 */
 656 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 657 {
 658         if (modelindex >= 256 || startframe >= 256)
 659         {
 660                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 661                         return;
 662                 MSG_WriteByte (&sv.datagram, svc_effect2);
 663                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 664                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 665                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 666                 MSG_WriteShort (&sv.datagram, modelindex);
 667                 MSG_WriteShort (&sv.datagram, startframe);
 668                 MSG_WriteByte (&sv.datagram, framecount);
 669                 MSG_WriteByte (&sv.datagram, framerate);
 670         }
 671         else
 672         {
 673                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 674                         return;
 675                 MSG_WriteByte (&sv.datagram, svc_effect);
 676                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 677                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 678                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 679                 MSG_WriteByte (&sv.datagram, modelindex);
 680                 MSG_WriteByte (&sv.datagram, startframe);
 681                 MSG_WriteByte (&sv.datagram, framecount);
 682                 MSG_WriteByte (&sv.datagram, framerate);
 683         }
 684         SV_FlushBroadcastMessages();
 685 }
 686
 687 /*
 688 ==================
 689 SV_StartSound
 690
 691 Each entity can have eight independant sound sources, like voice,
 692 weapon, feet, etc.
 693
 694 Channel 0 is an auto-allocate channel, the others override anything
 695 already running on that entity/channel pair.
 696
 697 An attenuation of 0 will play full volume everywhere in the level.
 698 Larger attenuations will drop off.  (max 4 attenuation)
 699
 700 ==================
 701 */
 702 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation, qboolean reliable, float speed)
 703 {
 704         sizebuf_t *dest;
 705         int sound_num, field_mask, i, ent, speed4000;
 706
 707         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 708
 709         if (volume < 0 || volume > 255)
 710         {
 711                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 712                 return;
 713         }
 714
 715         if (attenuation < 0 || attenuation > 4)
 716         {
 717                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 718                 return;
 719         }
 720
 721         if (!IS_CHAN(channel))
 722         {
 723                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 724                 return;
 725         }
 726
 727         channel = CHAN_ENGINE2NET(channel);
 728
 729         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 730                 return;
 731
 732 // find precache number for sound
 733         sound_num = SV_SoundIndex(sample, 1);
 734         if (!sound_num)
 735                 return;
 736
 737         ent = PRVM_NUM_FOR_EDICT(entity);
 738
 739         speed4000 = (int)(speed * 40.0f);
 740         field_mask = 0;
 741         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 742                 field_mask |= SND_VOLUME;
 743         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 744                 field_mask |= SND_ATTENUATION;
 745         if (speed4000 && speed4000 != 4000)
 746                 field_mask |= SND_SPEEDUSHORT4000;
 747         if (ent >= 8192 || channel < 0 || channel > 7)
 748                 field_mask |= SND_LARGEENTITY;
 749         if (sound_num >= 256)
 750                 field_mask |= SND_LARGESOUND;
 751
 752 // directed messages go only to the entity they are targeted on
 753         MSG_WriteByte (dest, svc_sound);
 754         MSG_WriteByte (dest, field_mask);
 755         if (field_mask & SND_VOLUME)
 756                 MSG_WriteByte (dest, volume);
 757         if (field_mask & SND_ATTENUATION)
 758                 MSG_WriteByte (dest, (int)(attenuation*64));
 759         if (field_mask & SND_SPEEDUSHORT4000)
 760                 MSG_WriteShort (dest, speed4000);
 761         if (field_mask & SND_LARGEENTITY)
 762         {
 763                 MSG_WriteShort (dest, ent);
 764                 MSG_WriteChar (dest, channel);
 765         }
 766         else
 767                 MSG_WriteShort (dest, (ent<<3) | channel);
 768         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 769                 MSG_WriteShort (dest, sound_num);
 770         else
 771                 MSG_WriteByte (dest, sound_num);
 772         for (i = 0;i < 3;i++)
 773                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 774
 775         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 776         if(!reliable)
 777                 SV_FlushBroadcastMessages();
 778 }
 779
 780 /*
 781 ==================
 782 SV_StartPointSound
 783
 784 Nearly the same logic as SV_StartSound, except an origin
 785 instead of an entity is provided and channel is omitted.
 786
 787 The entity sent to the client is 0 (world) and the channel
 788 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 789 function, therefore the check for it is omitted.
 790
 791 ==================
 792 */
 793 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation, float speed)
 794 {
 795         int sound_num, field_mask, i, speed4000;
 796
 797         if (volume < 0 || volume > 255)
 798         {
 799                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 800                 return;
 801         }
 802
 803         if (attenuation < 0 || attenuation > 4)
 804         {
 805                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 806                 return;
 807         }
 808
 809         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 810                 return;
 811
 812         // find precache number for sound
 813         sound_num = SV_SoundIndex(sample, 1);
 814         if (!sound_num)
 815                 return;
 816
 817         speed4000 = (int)(speed * 40.0f);
 818         field_mask = 0;
 819         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 820                 field_mask |= SND_VOLUME;
 821         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 822                 field_mask |= SND_ATTENUATION;
 823         if (sound_num >= 256)
 824                 field_mask |= SND_LARGESOUND;
 825         if (speed4000 && speed4000 != 4000)
 826                 field_mask |= SND_SPEEDUSHORT4000;
 827
 828 // directed messages go only to the entity they are targeted on
 829         MSG_WriteByte (&sv.datagram, svc_sound);
 830         MSG_WriteByte (&sv.datagram, field_mask);
 831         if (field_mask & SND_VOLUME)
 832                 MSG_WriteByte (&sv.datagram, volume);
 833         if (field_mask & SND_ATTENUATION)
 834                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 835         if (field_mask & SND_SPEEDUSHORT4000)
 836                 MSG_WriteShort (&sv.datagram, speed4000);
 837         // Always write entnum 0 for the world entity
 838         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 839         if (field_mask & SND_LARGESOUND)
 840                 MSG_WriteShort (&sv.datagram, sound_num);
 841         else
 842                 MSG_WriteByte (&sv.datagram, sound_num);
 843         for (i = 0;i < 3;i++)
 844                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 845         SV_FlushBroadcastMessages();
 846 }
 847
 848 /*
 849 ==============================================================================
 850
 851 CLIENT SPAWNING
 852
 853 ==============================================================================
 854 */
 855
 856 /*
 857 ================
 858 SV_SendServerinfo
 859
 860 Sends the first message from the server to a connected client.
 861 This will be sent on the initial connection and upon each server load.
 862 ================
 863 */
 864 void SV_SendServerinfo (client_t *client)
 865 {
 866         int i;
 867         char message[128];
 868
 869         // we know that this client has a netconnection and thus is not a bot
 870
 871         // edicts get reallocated on level changes, so we need to update it here
 872         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 873
 874         // clear cached stuff that depends on the level
 875         client->weaponmodel[0] = 0;
 876         client->weaponmodelindex = 0;
 877
 878         // LordHavoc: clear entityframe tracking
 879         client->latestframenum = 0;
 880
 881         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 882         client->cmd.time = sv.time;
 883
 884         if (client->entitydatabase)
 885                 EntityFrame_FreeDatabase(client->entitydatabase);
 886         if (client->entitydatabase4)
 887                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 888         if (client->entitydatabase5)
 889                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 890
 891         memset(client->stats, 0, sizeof(client->stats));
 892         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 893
 894         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
 895         {
 896                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 897                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 898                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 899                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 900                 else
 901                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 902         }
 903
 904         // reset csqc entity versions
 905         for (i = 0;i < prog->max_edicts;i++)
 906         {
 907                 client->csqcentityscope[i] = 0;
 908                 client->csqcentitysendflags[i] = 0xFFFFFF;
 909                 client->csqcentityglobalhistory[i] = 0;
 910         }
 911         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 912         {
 913                 client->csqcentityframehistory[i].num = 0;
 914                 client->csqcentityframehistory[i].framenum = -1;
 915         }
 916         client->csqcnumedicts = 0;
 917         client->csqcentityframehistory_next = 0;
 918
 919         SZ_Clear (&client->netconnection->message);
 920         MSG_WriteByte (&client->netconnection->message, svc_print);
 921         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 922         MSG_WriteString (&client->netconnection->message,message);
 923
 924         SV_StopDemoRecording(client); // to split up demos into different files
 925         if(sv_autodemo_perclient.integer && client->netconnection)
 926         {
 927                 char demofile[MAX_OSPATH];
 928                 char ipaddress[MAX_QPATH];
 929                 size_t i;
 930
 931                 // start a new demo file
 932                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 933                 for(i = 0; ipaddress[i]; ++i)
 934                         if(!isalnum(ipaddress[i]))
 935                                 ipaddress[i] = '-';
 936                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), sv.worldbasename, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
 937
 938                 SV_StartDemoRecording(client, demofile, -1);
 939         }
 940
 941         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 942         if (sv.csqc_progname[0])
 943         {
 944                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 945                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 946                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 947                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 948                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 949                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 950                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 951
 952                 if(client->sv_demo_file != NULL)
 953                 {
 954                         int i;
 955                         static char buf[NET_MAXMESSAGE];
 956                         sizebuf_t sb;
 957
 958                         sb.data = (unsigned char *) buf;
 959                         sb.maxsize = sizeof(buf);
 960                         i = 0;
 961                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 962                                 SV_WriteDemoMessage(client, &sb, false);
 963                 }
 964
 965                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 966                 if (PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd)))
 967                 {
 968                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 969                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd))));
 970                 }
 971         }
 972
 973         //if (sv_allowdownloads.integer)
 974         // always send the info that the server supports the protocol, even if downloads are forbidden
 975         // only because of that, the CSQC exception can work
 976         {
 977                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 978                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 979         }
 980
 981         // send at this time so it's guaranteed to get executed at the right time
 982         {
 983                 client_t *save;
 984                 save = host_client;
 985                 host_client = client;
 986                 Curl_SendRequirements();
 987                 host_client = save;
 988         }
 989
 990         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 991         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 992         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 993
 994         if (!coop.integer && deathmatch.integer)
 995                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 996         else
 997                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 998
 999         MSG_WriteString (&client->netconnection->message,PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)));
1000
1001         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1002                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1003         MSG_WriteByte (&client->netconnection->message, 0);
1004
1005         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1006                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1007         MSG_WriteByte (&client->netconnection->message, 0);
1008
1009 // send music
1010         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1011         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1012         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1013
1014 // set view
1015 // store this in clientcamera, too
1016         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1017         MSG_WriteByte (&client->netconnection->message, svc_setview);
1018         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1019
1020         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1021         MSG_WriteByte (&client->netconnection->message, 1);
1022
1023         client->spawned = false;                // need prespawn, spawn, etc
1024         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1025
1026         // clear movement info until client enters the new level properly
1027         memset(&client->cmd, 0, sizeof(client->cmd));
1028         client->movesequence = 0;
1029         client->movement_highestsequence_seen = 0;
1030         memset(&client->movement_count, 0, sizeof(client->movement_count));
1031 #ifdef NUM_PING_TIMES
1032         for (i = 0;i < NUM_PING_TIMES;i++)
1033                 client->ping_times[i] = 0;
1034         client->num_pings = 0;
1035 #endif
1036         client->ping = 0;
1037
1038         // allow the client some time to send his keepalives, even if map loading took ages
1039         client->netconnection->timeout = realtime + net_connecttimeout.value;
1040 }
1041
1042 /*
1043 ================
1044 SV_ConnectClient
1045
1046 Initializes a client_t for a new net connection.  This will only be called
1047 once for a player each game, not once for each level change.
1048 ================
1049 */
1050 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1051 {
1052         client_t                *client;
1053         int                             i;
1054
1055         client = svs.clients + clientnum;
1056
1057 // set up the client_t
1058         if (sv.loadgame)
1059         {
1060                 float backupparms[NUM_SPAWN_PARMS];
1061                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1062                 memset(client, 0, sizeof(*client));
1063                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1064         }
1065         else
1066                 memset(client, 0, sizeof(*client));
1067         client->active = true;
1068         client->netconnection = netconnection;
1069
1070         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1071
1072         if(client->netconnection && client->netconnection->crypto.authenticated)
1073         {
1074                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1075                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1076                                 client->netconnection->address,
1077                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1078                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1079                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1080                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1081                                 );
1082         }
1083
1084         strlcpy(client->name, "unconnected", sizeof(client->name));
1085         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1086         client->spawned = false;
1087         client->edict = PRVM_EDICT_NUM(clientnum+1);
1088         if (client->netconnection)
1089                 client->netconnection->message.allowoverflow = true;            // we can catch it
1090         // prepare the unreliable message buffer
1091         client->unreliablemsg.data = client->unreliablemsg_data;
1092         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1093         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1094         client->rate = 1000000000;
1095         // no limits for local player
1096         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1097                 client->rate = 1000000000;
1098         client->connecttime = realtime;
1099
1100         if (!sv.loadgame)
1101         {
1102                 // call the progs to get default spawn parms for the new client
1103                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1104                 PRVM_serverglobaledict(self) = 0;
1105                 PRVM_ExecuteProgram (PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1106                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1107                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1108
1109                 // set up the entity for this client (including .colormap, .team, etc)
1110                 PRVM_ED_ClearEdict(client->edict);
1111         }
1112
1113         // don't call SendServerinfo for a fresh botclient because its fields have
1114         // not been set up by the qc yet
1115         if (client->netconnection)
1116                 SV_SendServerinfo (client);
1117         else
1118                 client->spawned = true;
1119 }
1120
1121
1122 /*
1123 ===============================================================================
1124
1125 FRAME UPDATES
1126
1127 ===============================================================================
1128 */
1129
1130 /*
1131 =============================================================================
1132
1133 The PVS must include a small area around the client to allow head bobbing
1134 or other small motion on the client side.  Otherwise, a bob might cause an
1135 entity that should be visible to not show up, especially when the bob
1136 crosses a waterline.
1137
1138 =============================================================================
1139 */
1140
1141 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1142 {
1143         int i;
1144         unsigned int sendflags;
1145         unsigned int version;
1146         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1147         unsigned int customizeentityforclient;
1148         unsigned int sendentity;
1149         float f;
1150         float *v;
1151         vec3_t cullmins, cullmaxs;
1152         dp_model_t *model;
1153
1154         // fast path for games that do not use legacy entity networking
1155         // note: still networks clients even if they are legacy
1156         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1157         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1158                 return false;
1159
1160         // this 2 billion unit check is actually to detect NAN origins
1161         // (we really don't want to send those)
1162         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1163                 return false;
1164
1165         // EF_NODRAW prevents sending for any reason except for your own
1166         // client, so we must keep all clients in this superset
1167         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1168
1169         // we can omit invisible entities with no effects that are not clients
1170         // LordHavoc: this could kill tags attached to an invisible entity, I
1171         // just hope we never have to support that case
1172         i = (int)PRVM_serveredictfloat(ent, modelindex);
1173         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1174
1175         flags = 0;
1176         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1177         glowsize = (unsigned char)bound(0, i, 255);
1178         if (PRVM_serveredictfloat(ent, glow_trail))
1179                 flags |= RENDER_GLOWTRAIL;
1180         if (PRVM_serveredictedict(ent, viewmodelforclient))
1181                 flags |= RENDER_VIEWMODEL;
1182
1183         v = PRVM_serveredictvector(ent, color);
1184         f = v[0]*256;
1185         light[0] = (unsigned short)bound(0, f, 65535);
1186         f = v[1]*256;
1187         light[1] = (unsigned short)bound(0, f, 65535);
1188         f = v[2]*256;
1189         light[2] = (unsigned short)bound(0, f, 65535);
1190         f = PRVM_serveredictfloat(ent, light_lev);
1191         light[3] = (unsigned short)bound(0, f, 65535);
1192         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1193         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1194
1195         if (gamemode == GAME_TENEBRAE)
1196         {
1197                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1198                 if (effects & 16)
1199                 {
1200                         effects &= ~16;
1201                         lightpflags |= PFLAGS_FULLDYNAMIC;
1202                 }
1203                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1204                 if (effects & 32)
1205                 {
1206                         effects &= ~32;
1207                         light[0] = (int)(0.2*256);
1208                         light[1] = (int)(1.0*256);
1209                         light[2] = (int)(0.2*256);
1210                         light[3] = 200;
1211                         lightpflags |= PFLAGS_FULLDYNAMIC;
1212                 }
1213         }
1214
1215         specialvisibilityradius = 0;
1216         if (lightpflags & PFLAGS_FULLDYNAMIC)
1217                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1218         if (glowsize)
1219                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1220         if (flags & RENDER_GLOWTRAIL)
1221                 specialvisibilityradius = max(specialvisibilityradius, 100);
1222         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1223         {
1224                 if (effects & EF_BRIGHTFIELD)
1225                         specialvisibilityradius = max(specialvisibilityradius, 80);
1226                 if (effects & EF_MUZZLEFLASH)
1227                         specialvisibilityradius = max(specialvisibilityradius, 100);
1228                 if (effects & EF_BRIGHTLIGHT)
1229                         specialvisibilityradius = max(specialvisibilityradius, 400);
1230                 if (effects & EF_DIMLIGHT)
1231                         specialvisibilityradius = max(specialvisibilityradius, 200);
1232                 if (effects & EF_RED)
1233                         specialvisibilityradius = max(specialvisibilityradius, 200);
1234                 if (effects & EF_BLUE)
1235                         specialvisibilityradius = max(specialvisibilityradius, 200);
1236                 if (effects & EF_FLAME)
1237                         specialvisibilityradius = max(specialvisibilityradius, 250);
1238                 if (effects & EF_STARDUST)
1239                         specialvisibilityradius = max(specialvisibilityradius, 100);
1240         }
1241
1242         // early culling checks
1243         // (final culling is done by SV_MarkWriteEntityStateToClient)
1244         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1245         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1246                 return false;
1247
1248         *cs = defaultstate;
1249         cs->active = ACTIVE_NETWORK;
1250         cs->number = enumber;
1251         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1252         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1253         cs->flags = flags;
1254         cs->effects = effects;
1255         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1256         cs->modelindex = modelindex;
1257         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1258         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1259         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1260         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1261         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1262         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1263         cs->customizeentityforclient = customizeentityforclient;
1264         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1265         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1266         cs->glowsize = glowsize;
1267         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1268
1269         // don't need to init cs->colormod because the defaultstate did that for us
1270         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1271         v = PRVM_serveredictvector(ent, colormod);
1272         if (VectorLength2(v))
1273         {
1274                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1275                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1276                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1277         }
1278
1279         // don't need to init cs->glowmod because the defaultstate did that for us
1280         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1281         v = PRVM_serveredictvector(ent, glowmod);
1282         if (VectorLength2(v))
1283         {
1284                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1285                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1286                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1287         }
1288
1289         cs->modelindex = modelindex;
1290
1291         cs->alpha = 255;
1292         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1293         if (f)
1294         {
1295                 i = (int)f;
1296                 cs->alpha = (unsigned char)bound(0, i, 255);
1297         }
1298         // halflife
1299         f = (PRVM_serveredictfloat(ent, renderamt));
1300         if (f)
1301         {
1302                 i = (int)f;
1303                 cs->alpha = (unsigned char)bound(0, i, 255);
1304         }
1305
1306         cs->scale = 16;
1307         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1308         if (f)
1309         {
1310                 i = (int)f;
1311                 cs->scale = (unsigned char)bound(0, i, 255);
1312         }
1313
1314         cs->glowcolor = 254;
1315         f = PRVM_serveredictfloat(ent, glow_color);
1316         if (f)
1317                 cs->glowcolor = (int)f;
1318
1319         if (PRVM_serveredictfloat(ent, fullbright))
1320                 cs->effects |= EF_FULLBRIGHT;
1321
1322         f = PRVM_serveredictfloat(ent, modelflags);
1323         if (f)
1324                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1325
1326         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1327                 cs->flags |= RENDER_STEP;
1328         if (cs->number != sv.writeentitiestoclient_cliententitynumber && (cs->effects & EF_LOWPRECISION) && cs->origin[0] >= -32768 && cs->origin[1] >= -32768 && cs->origin[2] >= -32768 && cs->origin[0] <= 32767 && cs->origin[1] <= 32767 && cs->origin[2] <= 32767)
1329                 cs->flags |= RENDER_LOWPRECISION;
1330         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1331                 cs->flags |= RENDER_COLORMAPPED;
1332         if (cs->viewmodelforclient)
1333                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1334
1335         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1336         {
1337                 cs->flags |= RENDER_COMPLEXANIMATION;
1338                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1339                         cs->skeletonobject = ent->priv.server->skeleton;
1340                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1341                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1342                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1343                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1344                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1345                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1346                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1347                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1348                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1349                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1350                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1351                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1352         }
1353
1354         cs->light[0] = light[0];
1355         cs->light[1] = light[1];
1356         cs->light[2] = light[2];
1357         cs->light[3] = light[3];
1358         cs->lightstyle = lightstyle;
1359         cs->lightpflags = lightpflags;
1360
1361         cs->specialvisibilityradius = specialvisibilityradius;
1362
1363         // calculate the visible box of this entity (don't use the physics box
1364         // as that is often smaller than a model, and would not count
1365         // specialvisibilityradius)
1366         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1367         {
1368                 float scale = cs->scale * (1.0f / 16.0f);
1369                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1370                 {
1371                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1372                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1373                 }
1374                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1375                 {
1376                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1377                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1378                 }
1379                 else
1380                 {
1381                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1382                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1383                 }
1384         }
1385         else
1386         {
1387                 // if there is no model (or it could not be loaded), use the physics box
1388                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1389                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1390         }
1391         if (specialvisibilityradius)
1392         {
1393                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1394                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1395                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1396                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1397                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1398                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1399         }
1400
1401         // calculate center of bbox for network prioritization purposes
1402         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1403
1404         // if culling box has moved, update pvs cluster links
1405         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1406         {
1407                 VectorCopy(cullmins, ent->priv.server->cullmins);
1408                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1409                 // a value of -1 for pvs_numclusters indicates that the links are not
1410                 // cached, and should be re-tested each time, this is the case if the
1411                 // culling box touches too many pvs clusters to store, or if the world
1412                 // model does not support FindBoxClusters
1413                 ent->priv.server->pvs_numclusters = -1;
1414                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1415                 {
1416                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1417                         if (i <= MAX_ENTITYCLUSTERS)
1418                                 ent->priv.server->pvs_numclusters = i;
1419                 }
1420         }
1421
1422         // we need to do some csqc entity upkeep here
1423         // get self.SendFlags and clear them
1424         // (to let the QC know that they've been read)
1425         if (sendentity)
1426         {
1427                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1428                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1429                 // legacy self.Version system
1430                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1431                 {
1432                         if (sv.csqcentityversion[enumber] != version)
1433                                 sendflags = 0xFFFFFF;
1434                         sv.csqcentityversion[enumber] = version;
1435                 }
1436                 // move sendflags into the per-client sendflags
1437                 if (sendflags)
1438                         for (i = 0;i < svs.maxclients;i++)
1439                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1440                 // mark it as inactive for non-csqc networking
1441                 cs->active = ACTIVE_SHARED;
1442         }
1443
1444         return true;
1445 }
1446
1447 void SV_PrepareEntitiesForSending(void)
1448 {
1449         int e;
1450         prvm_edict_t *ent;
1451         // send all entities that touch the pvs
1452         sv.numsendentities = 0;
1453         sv.sendentitiesindex[0] = NULL;
1454         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1455         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1456         {
1457                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1458                 {
1459                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1460                         sv.numsendentities++;
1461                 }
1462         }
1463 }
1464
1465 #define MAX_LINEOFSIGHTTRACES 64
1466
1467 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1468 {
1469         float pitchsign;
1470         float alpha;
1471         float starttransformed[3], endtransformed[3];
1472         int blocked = 0;
1473         int traceindex;
1474         int originalnumtouchedicts;
1475         int numtouchedicts = 0;
1476         int touchindex;
1477         matrix4x4_t matrix, imatrix;
1478         dp_model_t *model;
1479         prvm_edict_t *touch;
1480         static prvm_edict_t *touchedicts[MAX_EDICTS];
1481         vec3_t boxmins, boxmaxs;
1482         vec3_t clipboxmins, clipboxmaxs;
1483         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1484
1485         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1486
1487         // expand the box a little
1488         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1489         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1490         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1491         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1492         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1493         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1494
1495         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1496         for (traceindex = 1;traceindex < numtraces;traceindex++)
1497                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1498
1499         // calculate sweep box for the entire swarm of traces
1500         VectorCopy(eye, clipboxmins);
1501         VectorCopy(eye, clipboxmaxs);
1502         for (traceindex = 0;traceindex < numtraces;traceindex++)
1503         {
1504                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1505                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1506                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1507                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1508                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1509                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1510         }
1511
1512         // get the list of entities in the sweep box
1513         if (sv_cullentities_trace_entityocclusion.integer)
1514                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1515         if (numtouchedicts > MAX_EDICTS)
1516         {
1517                 // this never happens
1518                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1519                 numtouchedicts = MAX_EDICTS;
1520         }
1521         // iterate the entities found in the sweep box and filter them
1522         originalnumtouchedicts = numtouchedicts;
1523         numtouchedicts = 0;
1524         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1525         {
1526                 touch = touchedicts[touchindex];
1527                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1528                         continue;
1529                 model = SV_GetModelFromEdict(touch);
1530                 if (!model || !model->brush.TraceLineOfSight)
1531                         continue;
1532                 // skip obviously transparent entities
1533                 alpha = PRVM_serveredictfloat(touch, alpha);
1534                 if (alpha && alpha < 1)
1535                         continue;
1536                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1537                         continue;
1538                 touchedicts[numtouchedicts++] = touch;
1539         }
1540
1541         // now that we have a filtered list of "interesting" entities, fire each
1542         // ray against all of them, this gives us an early-out case when something
1543         // is visible (which it often is)
1544
1545         for (traceindex = 0;traceindex < numtraces;traceindex++)
1546         {
1547                 // check world occlusion
1548                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1549                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1550                                 continue;
1551                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1552                 {
1553                         touch = touchedicts[touchindex];
1554                         model = SV_GetModelFromEdict(touch);
1555                         if(model && model->brush.TraceLineOfSight)
1556                         {
1557                                 // get the entity matrix
1558                                 pitchsign = SV_GetPitchSign(touch);
1559                                 Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_serveredictvector(touch, origin)[0], PRVM_serveredictvector(touch, origin)[1], PRVM_serveredictvector(touch, origin)[2], pitchsign * PRVM_serveredictvector(touch, angles)[0], PRVM_serveredictvector(touch, angles)[1], PRVM_serveredictvector(touch, angles)[2], 1);
1560                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1561                                 // see if the ray hits this entity
1562                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1563                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1564                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1565                                 {
1566                                         blocked++;
1567                                         break;
1568                                 }
1569                         }
1570                 }
1571                 // check if the ray was blocked
1572                 if (touchindex < numtouchedicts)
1573                         continue;
1574                 // return if the ray was not blocked
1575                 return true;
1576         }
1577
1578         // no rays survived
1579         return false;
1580 }
1581
1582 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1583 {
1584         int isbmodel;
1585         dp_model_t *model;
1586         prvm_edict_t *ed;
1587         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1588                 return;
1589         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1590         sv.writeentitiestoclient_stats_totalentities++;
1591
1592         if (s->customizeentityforclient)
1593         {
1594                 PRVM_serverglobaledict(self) = s->number;
1595                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1596                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1597                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1598                         return;
1599         }
1600
1601         // never reject player
1602         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1603         {
1604                 // check various rejection conditions
1605                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1606                         return;
1607                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1608                         return;
1609                 if (s->effects & EF_NODRAW)
1610                         return;
1611                 // LordHavoc: only send entities with a model or important effects
1612                 if (!s->modelindex && s->specialvisibilityradius == 0)
1613                         return;
1614
1615                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1616                 // viewmodels don't have visibility checking
1617                 if (s->viewmodelforclient)
1618                 {
1619                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1620                                 return;
1621                 }
1622                 else if (s->tagentity)
1623                 {
1624                         // tag attached entities simply check their parent
1625                         if (!sv.sendentitiesindex[s->tagentity])
1626                                 return;
1627                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1628                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1629                                 return;
1630                 }
1631                 // always send world submodels in newer protocols because they don't
1632                 // generate much traffic (in old protocols they hog bandwidth)
1633                 // but only if sv_cullentities_nevercullbmodels is off
1634                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1635                 {
1636                         // entity has survived every check so far, check if visible
1637                         ed = PRVM_EDICT_NUM(s->number);
1638
1639                         // if not touching a visible leaf
1640                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1641                         {
1642                                 if (ed->priv.server->pvs_numclusters < 0)
1643                                 {
1644                                         // entity too big for clusters list
1645                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1646                                         {
1647                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1648                                                 return;
1649                                         }
1650                                 }
1651                                 else
1652                                 {
1653                                         int i;
1654                                         // check cached clusters list
1655                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1656                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1657                                                         break;
1658                                         if (i == ed->priv.server->pvs_numclusters)
1659                                         {
1660                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1661                                                 return;
1662                                         }
1663                                 }
1664                         }
1665
1666                         // or not seen by random tracelines
1667                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1668                         {
1669                                 int samples =
1670                                         s->number <= svs.maxclients
1671                                                 ? sv_cullentities_trace_samples_players.integer
1672                                                 :
1673                                         s->specialvisibilityradius
1674                                                 ? sv_cullentities_trace_samples_extra.integer
1675                                                 : sv_cullentities_trace_samples.integer;
1676                                 float enlarge = sv_cullentities_trace_enlarge.value;
1677
1678                                 if(samples > 0)
1679                                 {
1680                                         int eyeindex;
1681                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1682                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1683                                                         break;
1684                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1685                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1686                                                         realtime + (
1687                                                                 s->number <= svs.maxclients
1688                                                                         ? sv_cullentities_trace_delay_players.value
1689                                                                         : sv_cullentities_trace_delay.value
1690                                                         );
1691                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1692                                         {
1693                                                 sv.writeentitiestoclient_stats_culled_trace++;
1694                                                 return;
1695                                         }
1696                                 }
1697                         }
1698                 }
1699         }
1700
1701         // this just marks it for sending
1702         // FIXME: it would be more efficient to send here, but the entity
1703         // compressor isn't that flexible
1704         sv.writeentitiestoclient_stats_visibleentities++;
1705         sv.sententities[s->number] = sv.sententitiesmark;
1706 }
1707
1708 #if MAX_LEVELNETWORKEYES > 0
1709 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1710 void SV_AddCameraEyes(void)
1711 {
1712         int e, i, j, k;
1713         prvm_edict_t *ed;
1714         static int cameras[MAX_LEVELNETWORKEYES];
1715         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1716         static int eye_levels[MAX_CLIENTNETWORKEYES];
1717         int n_cameras = 0;
1718         vec3_t mi, ma;
1719
1720         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1721                 eye_levels[i] = 0;
1722
1723         // check line of sight to portal entities and add them to PVS
1724         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1725         {
1726                 if (!ed->priv.server->free)
1727                 {
1728                         if(PRVM_serveredictfunction(ed, camera_transform))
1729                         {
1730                                 PRVM_serverglobaledict(self) = e;
1731                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1732                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1733                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1734                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1735                                 PRVM_ExecuteProgram(PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1736                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1737                                 {
1738                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1739                                         cameras[n_cameras] = e;
1740                                         ++n_cameras;
1741                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1742                                                 break;
1743                                 }
1744                         }
1745                 }
1746         }
1747
1748         if(!n_cameras)
1749                 return;
1750
1751         // i is loop counter, is reset to 0 when an eye got added
1752         // j is camera index to check
1753         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1754         {
1755                 if(!cameras[j])
1756                         continue;
1757                 ed = PRVM_EDICT_NUM(cameras[j]);
1758                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1759                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1760                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1761                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1762                 {
1763                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1764                         {
1765                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1766                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1767                                 // Con_Printf("added eye %d: %f %f %f because we can see %f %f %f .. %f %f %f from eye %d\n", j, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][0], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][1], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][2], mi[0], mi[1], mi[2], ma[0], ma[1], ma[2], k);
1768                                 sv.writeentitiestoclient_numeyes++;
1769                                 cameras[j] = 0;
1770                                 i = 0;
1771                                 break;
1772                         }
1773                 }
1774         }
1775 }
1776 #else
1777 void SV_AddCameraEyes(void)
1778 {
1779 }
1780 #endif
1781
1782 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1783 {
1784         qboolean need_empty = false;
1785         int i, numsendstates, numcsqcsendstates;
1786         entity_state_t *s;
1787         prvm_edict_t *camera;
1788         qboolean success;
1789         vec3_t eye;
1790
1791         // if there isn't enough space to accomplish anything, skip it
1792         if (msg->cursize + 25 > maxsize)
1793                 return;
1794
1795         sv.writeentitiestoclient_msg = msg;
1796         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1797
1798         sv.writeentitiestoclient_stats_culled_pvs = 0;
1799         sv.writeentitiestoclient_stats_culled_trace = 0;
1800         sv.writeentitiestoclient_stats_visibleentities = 0;
1801         sv.writeentitiestoclient_stats_totalentities = 0;
1802         sv.writeentitiestoclient_numeyes = 0;
1803
1804         // get eye location
1805         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1806         camera = PRVM_EDICT_NUM( client->clientcamera );
1807         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1808         sv.writeentitiestoclient_pvsbytes = 0;
1809         // get the PVS values for the eye location, later FatPVS calls will merge
1810         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1811                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1812
1813         // add the eye to a list for SV_CanSeeBox tests
1814         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1815         sv.writeentitiestoclient_numeyes++;
1816
1817         // calculate predicted eye origin for SV_CanSeeBox tests
1818         if (sv_cullentities_trace_prediction.integer)
1819         {
1820                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1821                 vec3_t predeye;
1822                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1823                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1824                 {
1825                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1826                         sv.writeentitiestoclient_numeyes++;
1827                 }
1828                 //if (!sv.writeentitiestoclient_useprediction)
1829                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1830         }
1831
1832         SV_AddCameraEyes();
1833
1834         // build PVS from the new eyes
1835         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1836                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1837                         sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_eyes[i], 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1838
1839         sv.sententitiesmark++;
1840
1841         for (i = 0;i < sv.numsendentities;i++)
1842                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1843
1844         numsendstates = 0;
1845         numcsqcsendstates = 0;
1846         for (i = 0;i < sv.numsendentities;i++)
1847         {
1848                 s = &sv.sendentities[i];
1849                 if (sv.sententities[s->number] == sv.sententitiesmark)
1850                 {
1851                         if(s->active == ACTIVE_NETWORK)
1852                         {
1853                                 if (s->exteriormodelforclient)
1854                                 {
1855                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1856                                                 s->flags |= RENDER_EXTERIORMODEL;
1857                                         else
1858                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1859                                 }
1860                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1861                         }
1862                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1863                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1864                         else
1865                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1866                 }
1867         }
1868
1869         if (sv_cullentities_stats.integer)
1870                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv.writeentitiestoclient_stats_totalentities, sv.writeentitiestoclient_stats_visibleentities, sv.writeentitiestoclient_stats_culled_pvs + sv.writeentitiestoclient_stats_culled_trace, sv.writeentitiestoclient_stats_culled_pvs, sv.writeentitiestoclient_stats_culled_trace);
1871
1872         if(client->entitydatabase5)
1873                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1874         else
1875                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1876
1877         if(client->num_skippedentityframes >= 10)
1878                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1879
1880         if (client->entitydatabase5)
1881                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1882         else if (client->entitydatabase4)
1883         {
1884                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1885                 Protocol_WriteStatsReliable();
1886         }
1887         else if (client->entitydatabase)
1888         {
1889                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1890                 Protocol_WriteStatsReliable();
1891         }
1892         else
1893         {
1894                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1895                 Protocol_WriteStatsReliable();
1896         }
1897
1898         if(success)
1899                 client->num_skippedentityframes = 0;
1900         else
1901                 ++client->num_skippedentityframes;
1902 }
1903
1904 /*
1905 =============
1906 SV_CleanupEnts
1907
1908 =============
1909 */
1910 static void SV_CleanupEnts (void)
1911 {
1912         int             e;
1913         prvm_edict_t    *ent;
1914
1915         ent = PRVM_NEXT_EDICT(prog->edicts);
1916         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1917                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1918 }
1919
1920 /*
1921 ==================
1922 SV_WriteClientdataToMessage
1923
1924 ==================
1925 */
1926 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1927 {
1928         int             bits;
1929         int             i;
1930         prvm_edict_t    *other;
1931         int             items;
1932         vec3_t  punchvector;
1933         int             viewzoom;
1934         const char *s;
1935         float   *statsf = (float *)stats;
1936         float gravity;
1937
1938 //
1939 // send a damage message
1940 //
1941         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1942         {
1943                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1944                 MSG_WriteByte (msg, svc_damage);
1945                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1946                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1947                 for (i=0 ; i<3 ; i++)
1948                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1949
1950                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1951                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1952         }
1953
1954 //
1955 // send the current viewpos offset from the view entity
1956 //
1957         SV_SetIdealPitch ();            // how much to look up / down ideally
1958
1959 // a fixangle might get lost in a dropped packet.  Oh well.
1960         if(PRVM_serveredictfloat(ent, fixangle))
1961         {
1962                 // angle fixing was requested by global thinking code...
1963                 // so store the current angles for later use
1964                 memcpy(host_client->fixangle_angles, PRVM_serveredictvector(ent, angles), sizeof(host_client->fixangle_angles));
1965                 host_client->fixangle_angles_set = TRUE;
1966
1967                 // and clear fixangle for the next frame
1968                 PRVM_serveredictfloat(ent, fixangle) = 0;
1969         }
1970
1971         if (host_client->fixangle_angles_set)
1972         {
1973                 MSG_WriteByte (msg, svc_setangle);
1974                 for (i=0 ; i < 3 ; i++)
1975                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1976                 host_client->fixangle_angles_set = FALSE;
1977         }
1978
1979         // stuff the sigil bits into the high bits of items for sbar, or else
1980         // mix in items2
1981         // LordHavoc: detecting items2 turned out to be tricky, check if the field
1982         // was forcefully declared, we want to override serverflags if it was
1983         // declared by the qc intentionally, but not if we added it in the engine.
1984         if (prog->fieldoffsets.items2 < (int)(prog->numfielddefs - SV_REQGLOBALS))
1985                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23);
1986         else
1987                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
1988
1989         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
1990
1991         // cache weapon model name and index in client struct to save time
1992         // (this search can be almost 1% of cpu time!)
1993         s = PRVM_GetString(PRVM_serveredictstring(ent, weaponmodel));
1994         if (strcmp(s, client->weaponmodel))
1995         {
1996                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1997                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1998         }
1999
2000         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2001         if (viewzoom == 0)
2002                 viewzoom = 255;
2003
2004         bits = 0;
2005
2006         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2007                 bits |= SU_ONGROUND;
2008         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2009                 bits |= SU_INWATER;
2010         if (PRVM_serveredictfloat(ent, idealpitch))
2011                 bits |= SU_IDEALPITCH;
2012
2013         for (i=0 ; i<3 ; i++)
2014         {
2015                 if (PRVM_serveredictvector(ent, punchangle)[i])
2016                         bits |= (SU_PUNCH1<<i);
2017                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
2018                         if (punchvector[i])
2019                                 bits |= (SU_PUNCHVEC1<<i);
2020                 if (PRVM_serveredictvector(ent, velocity)[i])
2021                         bits |= (SU_VELOCITY1<<i);
2022         }
2023
2024         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2025
2026         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2027         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2028         stats[STAT_ITEMS] = items;
2029         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2030         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2031         stats[STAT_WEAPON] = client->weaponmodelindex;
2032         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2033         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2034         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2035         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2036         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2037         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2038         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2039         stats[STAT_VIEWZOOM] = viewzoom;
2040         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2041         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2042         // the QC bumps these itself by sending svc_'s, so we have to keep them
2043         // zero or they'll be corrected by the engine
2044         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2045         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2046
2047         // movement settings for prediction
2048         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2049         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2050                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2051                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2052                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2053         ;
2054         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2055         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2056         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2057         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2058         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2059         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2060         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2061         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2062         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2063         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2064         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2065         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2066         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2067         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2068         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2069         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2070         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2071         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2072         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2073         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2074         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2075         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2076         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2077         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2078         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2079         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2080         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2081         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2082         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2083         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2084         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2085         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2086         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2087         statsf[STAT_TIMELIMIT] = timelimit.value;
2088
2089         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2090         {
2091                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2092                 bits |= SU_ITEMS;
2093                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2094                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2095                 bits |= SU_WEAPON;
2096                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2097                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2098                         if (viewzoom != 255)
2099                                 bits |= SU_VIEWZOOM;
2100         }
2101
2102         if (bits >= 65536)
2103                 bits |= SU_EXTEND1;
2104         if (bits >= 16777216)
2105                 bits |= SU_EXTEND2;
2106
2107         // send the data
2108         MSG_WriteByte (msg, svc_clientdata);
2109         MSG_WriteShort (msg, bits);
2110         if (bits & SU_EXTEND1)
2111                 MSG_WriteByte(msg, bits >> 16);
2112         if (bits & SU_EXTEND2)
2113                 MSG_WriteByte(msg, bits >> 24);
2114
2115         if (bits & SU_VIEWHEIGHT)
2116                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2117
2118         if (bits & SU_IDEALPITCH)
2119                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2120
2121         for (i=0 ; i<3 ; i++)
2122         {
2123                 if (bits & (SU_PUNCH1<<i))
2124                 {
2125                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2126                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2127                         else
2128                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2129                 }
2130                 if (bits & (SU_PUNCHVEC1<<i))
2131                 {
2132                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2133                                 MSG_WriteCoord16i(msg, punchvector[i]);
2134                         else
2135                                 MSG_WriteCoord32f(msg, punchvector[i]);
2136                 }
2137                 if (bits & (SU_VELOCITY1<<i))
2138                 {
2139                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2140                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2141                         else
2142                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2143                 }
2144         }
2145
2146         if (bits & SU_ITEMS)
2147                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2148
2149         if (sv.protocol == PROTOCOL_DARKPLACES5)
2150         {
2151                 if (bits & SU_WEAPONFRAME)
2152                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2153                 if (bits & SU_ARMOR)
2154                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2155                 if (bits & SU_WEAPON)
2156                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2157                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2158                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2159                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2160                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2161                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2162                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2163                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2164                 if (bits & SU_VIEWZOOM)
2165                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2166         }
2167         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2168         {
2169                 if (bits & SU_WEAPONFRAME)
2170                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2171                 if (bits & SU_ARMOR)
2172                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2173                 if (bits & SU_WEAPON)
2174                 {
2175                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2176                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2177                         else
2178                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2179                 }
2180                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2181                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2182                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2183                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2184                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2185                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2186                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2187                 {
2188                         for (i = 0;i < 32;i++)
2189                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2190                                         break;
2191                         MSG_WriteByte (msg, i);
2192                 }
2193                 else
2194                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2195                 if (bits & SU_VIEWZOOM)
2196                 {
2197                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2198                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2199                         else
2200                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2201                 }
2202         }
2203 }
2204
2205 void SV_FlushBroadcastMessages(void)
2206 {
2207         int i;
2208         client_t *client;
2209         if (sv.datagram.cursize <= 0)
2210                 return;
2211         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2212         {
2213                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2214                         continue;
2215                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2216                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2217         }
2218         SZ_Clear(&sv.datagram);
2219 }
2220
2221 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2222 {
2223         // scan the splitpoints to find out how many we can fit in
2224         int numsegments, j, split;
2225         if (!client->unreliablemsg_splitpoints)
2226                 return;
2227         // always accept the first one if it's within 1024 bytes, this ensures
2228         // that very big datagrams which are over the rate limit still get
2229         // through, just to keep it working
2230         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2231                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2232                         break;
2233         // the first segment gets an exemption from the rate limiting, otherwise
2234         // it could get dropped consistently due to a low rate limit
2235         if (numsegments == 1)
2236                 maxsize = maxsize2;
2237         // some will fit, so add the ones that will fit
2238         split = client->unreliablemsg_splitpoint[numsegments-1];
2239         // note this discards ones that were accepted by the segments scan but
2240         // can not fit, such as a really huge first one that will never ever
2241         // fit in a packet...
2242         if (msg->cursize + split <= maxsize)
2243                 SZ_Write(msg, client->unreliablemsg.data, split);
2244         // remove the part we sent, keeping any remaining data
2245         client->unreliablemsg.cursize -= split;
2246         if (client->unreliablemsg.cursize > 0)
2247                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2248         // adjust remaining splitpoints
2249         client->unreliablemsg_splitpoints -= numsegments;
2250         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2251                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2252 }
2253
2254 /*
2255 =======================
2256 SV_SendClientDatagram
2257 =======================
2258 */
2259 static void SV_SendClientDatagram (client_t *client)
2260 {
2261         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2262         sizebuf_t msg;
2263         int stats[MAX_CL_STATS];
2264         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2265
2266         // obey rate limit by limiting packet frequency if the packet size
2267         // limiting fails
2268         // (usually this is caused by reliable messages)
2269         if (!NetConn_CanSend(client->netconnection))
2270                 return;
2271
2272         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2273         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2274         if (sv_maxrate.integer != maxrate)
2275                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2276
2277         // clientrate determines the 'cleartime' of a packet
2278         // (how long to wait before sending another, based on this packet's size)
2279         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2280
2281         switch (sv.protocol)
2282         {
2283         case PROTOCOL_QUAKE:
2284         case PROTOCOL_QUAKEDP:
2285         case PROTOCOL_NEHAHRAMOVIE:
2286         case PROTOCOL_NEHAHRABJP:
2287         case PROTOCOL_NEHAHRABJP2:
2288         case PROTOCOL_NEHAHRABJP3:
2289         case PROTOCOL_QUAKEWORLD:
2290                 // no packet size limit support on Quake protocols because it just
2291                 // causes missing entities/effects
2292                 // packets are simply sent less often to obey the rate limit
2293                 maxsize = 1024;
2294                 maxsize2 = 1024;
2295                 break;
2296         case PROTOCOL_DARKPLACES1:
2297         case PROTOCOL_DARKPLACES2:
2298         case PROTOCOL_DARKPLACES3:
2299         case PROTOCOL_DARKPLACES4:
2300                 // no packet size limit support on DP1-4 protocols because they kick
2301                 // the client off if they overflow, and miss effects
2302                 // packets are simply sent less often to obey the rate limit
2303                 maxsize = sizeof(sv_sendclientdatagram_buf);
2304                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2305                 break;
2306         default:
2307                 // DP5 and later protocols support packet size limiting which is a
2308                 // better method than limiting packet frequency as QW does
2309                 //
2310                 // at very low rates (or very small sys_ticrate) the packet size is
2311                 // not reduced below 128, but packets may be sent less often
2312                 maxsize = (int)(clientrate * sys_ticrate.value);
2313                 maxsize = bound(128, maxsize, 1400);
2314                 maxsize2 = 1400;
2315                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2316                 // mods that use csqc (they are likely to use less bandwidth anyway)
2317                 if (sv.csqc_progsize > 0)
2318                         maxsize = maxsize2;
2319                 break;
2320         }
2321
2322         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2323         {
2324                 // for good singleplayer, send huge packets
2325                 maxsize = sizeof(sv_sendclientdatagram_buf);
2326                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2327                 // never limit frequency in singleplayer
2328                 clientrate = 1000000000;
2329         }
2330
2331         // while downloading, limit entity updates to half the packet
2332         // (any leftover space will be used for downloading)
2333         if (host_client->download_file)
2334                 maxsize /= 2;
2335
2336         msg.data = sv_sendclientdatagram_buf;
2337         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2338         msg.cursize = 0;
2339         msg.allowoverflow = false;
2340
2341         if (host_client->spawned)
2342         {
2343                 // the player is in the game
2344                 MSG_WriteByte (&msg, svc_time);
2345                 MSG_WriteFloat (&msg, sv.time);
2346
2347                 // add the client specific data to the datagram
2348                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2349                 // now update the stats[] array using any registered custom fields
2350                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2351                 // set host_client->statsdeltabits
2352                 Protocol_UpdateClientStats (stats);
2353
2354                 // add as many queued unreliable messages (effects) as we can fit
2355                 // limit effects to half of the remaining space
2356                 if (client->unreliablemsg.cursize)
2357                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2358
2359                 // now write as many entities as we can fit, and also sends stats
2360                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2361         }
2362         else if (realtime > client->keepalivetime)
2363         {
2364                 // the player isn't totally in the game yet
2365                 // send small keepalive messages if too much time has passed
2366                 // (may also be sending downloads)
2367                 client->keepalivetime = realtime + 5;
2368                 MSG_WriteChar (&msg, svc_nop);
2369         }
2370
2371         // if a download is active, see if there is room to fit some download data
2372         // in this packet
2373         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2374         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2375         {
2376                 fs_offset_t downloadstart;
2377                 unsigned char data[1400];
2378                 downloadstart = FS_Tell(host_client->download_file);
2379                 downloadsize = min(downloadsize, (int)sizeof(data));
2380                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2381                 // note this sends empty messages if at the end of the file, which is
2382                 // necessary to keep the packet loss logic working
2383                 // (the last blocks may be lost and need to be re-sent, and that will
2384                 //  only occur if the client acks the empty end messages, revealing
2385                 //  a gap in the download progress, causing the last blocks to be
2386                 //  sent again)
2387                 MSG_WriteChar (&msg, svc_downloaddata);
2388                 MSG_WriteLong (&msg, downloadstart);
2389                 MSG_WriteShort (&msg, downloadsize);
2390                 if (downloadsize > 0)
2391                         SZ_Write (&msg, data, downloadsize);
2392         }
2393
2394         // reliable only if none is in progress
2395         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2396                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2397         // unreliable
2398         SV_WriteDemoMessage(client, &msg, false);
2399
2400 // send the datagram
2401         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2402         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2403                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2404 }
2405
2406 /*
2407 =======================
2408 SV_UpdateToReliableMessages
2409 =======================
2410 */
2411 static void SV_UpdateToReliableMessages (void)
2412 {
2413         int i, j;
2414         client_t *client;
2415         const char *name;
2416         const char *model;
2417         const char *skin;
2418         int clientcamera;
2419
2420 // check for changes to be sent over the reliable streams
2421         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2422         {
2423                 // update the host_client fields we care about according to the entity fields
2424                 host_client->edict = PRVM_EDICT_NUM(i+1);
2425
2426                 // DP_SV_CLIENTNAME
2427                 name = PRVM_GetString(PRVM_serveredictstring(host_client->edict, netname));
2428                 if (name == NULL)
2429                         name = "";
2430                 // always point the string back at host_client->name to keep it safe
2431                 strlcpy (host_client->name, name, sizeof (host_client->name));
2432                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(host_client->name);
2433                 if (strcmp(host_client->old_name, host_client->name))
2434                 {
2435                         if (host_client->spawned)
2436                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2437                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2438                         // send notification to all clients
2439                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2440                         MSG_WriteByte (&sv.reliable_datagram, i);
2441                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2442                         SV_WriteNetnameIntoDemo(host_client);
2443                 }
2444
2445                 // DP_SV_CLIENTCOLORS
2446                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2447                 if (host_client->old_colors != host_client->colors)
2448                 {
2449                         host_client->old_colors = host_client->colors;
2450                         // send notification to all clients
2451                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2452                         MSG_WriteByte (&sv.reliable_datagram, i);
2453                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2454                 }
2455
2456                 // NEXUIZ_PLAYERMODEL
2457                 model = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playermodel));
2458                 if (model == NULL)
2459                         model = "";
2460                 // always point the string back at host_client->name to keep it safe
2461                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2462                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(host_client->playermodel);
2463
2464                 // NEXUIZ_PLAYERSKIN
2465                 skin = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playerskin));
2466                 if (skin == NULL)
2467                         skin = "";
2468                 // always point the string back at host_client->name to keep it safe
2469                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2470                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(host_client->playerskin);
2471
2472                 // TODO: add an extension name for this [1/17/2008 Black]
2473                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2474                 if (clientcamera > 0)
2475                 {
2476                         int oldclientcamera = host_client->clientcamera;
2477                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2478                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2479                         host_client->clientcamera = clientcamera;
2480
2481                         if (oldclientcamera != host_client->clientcamera)
2482                         {
2483                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2484                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2485                         }
2486                 }
2487
2488                 // frags
2489                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2490                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2491                         if(!host_client->spawned && host_client->netconnection)
2492                                 host_client->frags = -666;
2493                 if (host_client->old_frags != host_client->frags)
2494                 {
2495                         host_client->old_frags = host_client->frags;
2496                         // send notification to all clients
2497                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2498                         MSG_WriteByte (&sv.reliable_datagram, i);
2499                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2500                 }
2501         }
2502
2503         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2504                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2505                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2506
2507         SZ_Clear (&sv.reliable_datagram);
2508 }
2509
2510
2511 /*
2512 =======================
2513 SV_SendClientMessages
2514 =======================
2515 */
2516 void SV_SendClientMessages (void)
2517 {
2518         int i, prepared = false;
2519
2520         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2521                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2522
2523         SV_FlushBroadcastMessages();
2524
2525 // update frags, names, etc
2526         SV_UpdateToReliableMessages();
2527
2528 // build individual updates
2529         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2530         {
2531                 if (!host_client->active)
2532                         continue;
2533                 if (!host_client->netconnection)
2534                         continue;
2535
2536                 if (host_client->netconnection->message.overflowed)
2537                 {
2538                         SV_DropClient (true);   // if the message couldn't send, kick off
2539                         continue;
2540                 }
2541
2542                 if (!prepared)
2543                 {
2544                         prepared = true;
2545                         // only prepare entities once per frame
2546                         SV_PrepareEntitiesForSending();
2547                 }
2548                 SV_SendClientDatagram (host_client);
2549         }
2550
2551 // clear muzzle flashes
2552         SV_CleanupEnts();
2553 }
2554
2555 static void SV_StartDownload_f(void)
2556 {
2557         if (host_client->download_file)
2558                 host_client->download_started = true;
2559 }
2560
2561 /*
2562  * Compression extension negotiation:
2563  *
2564  * Server to client:
2565  *   cl_serverextension_download 2
2566  *
2567  * Client to server:
2568  *   download <filename> <list of zero or more suppported compressions in order of preference>
2569  * e.g.
2570  *   download maps/map1.bsp lzo deflate huffman
2571  *
2572  * Server to client:
2573  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2574  * e.g.
2575  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2576  *
2577  * The server may choose not to compress the file by sending no compression name, like:
2578  *   cl_downloadbegin 345678 maps/map1.bsp
2579  *
2580  * NOTE: the "download" command may only specify compression algorithms if
2581  *       cl_serverextension_download is 2!
2582  *       If cl_serverextension_download has a different value, the client must
2583  *       assume this extension is not supported!
2584  */
2585
2586 static void Download_CheckExtensions(void)
2587 {
2588         int i;
2589         int argc = Cmd_Argc();
2590
2591         // first reset them all
2592         host_client->download_deflate = false;
2593
2594         for(i = 2; i < argc; ++i)
2595         {
2596                 if(!strcmp(Cmd_Argv(i), "deflate"))
2597                 {
2598                         host_client->download_deflate = true;
2599                         break;
2600                 }
2601         }
2602 }
2603
2604 static void SV_Download_f(void)
2605 {
2606         const char *whichpack, *whichpack2, *extension;
2607         qboolean is_csqc; // so we need to check only once
2608
2609         if (Cmd_Argc() < 2)
2610         {
2611                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2612                 SV_ClientPrintf("       supported extensions: deflate\n");
2613                 return;
2614         }
2615
2616         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2617         {
2618                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2619                 return;
2620         }
2621
2622         if (host_client->download_file)
2623         {
2624                 // at this point we'll assume the previous download should be aborted
2625                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2626                 Host_ClientCommands("\nstopdownload\n");
2627
2628                 // close the file and reset variables
2629                 FS_Close(host_client->download_file);
2630                 host_client->download_file = NULL;
2631                 host_client->download_name[0] = 0;
2632                 host_client->download_expectedposition = 0;
2633                 host_client->download_started = false;
2634         }
2635
2636         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2637
2638         if (!sv_allowdownloads.integer && !is_csqc)
2639         {
2640                 SV_ClientPrintf("Downloads are disabled on this server\n");
2641                 Host_ClientCommands("\nstopdownload\n");
2642                 return;
2643         }
2644
2645         Download_CheckExtensions();
2646
2647         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2648         extension = FS_FileExtension(host_client->download_name);
2649
2650         // host_client is asking to download a specified file
2651         if (developer_extra.integer)
2652                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2653
2654         if(is_csqc)
2655         {
2656                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2657                 extensions[0] = '\0';
2658
2659                 if(host_client->download_deflate)
2660                         strlcat(extensions, " deflate", sizeof(extensions));
2661
2662                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2663
2664                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2665                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2666                 else
2667                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2668
2669                 // no, no space is needed between %s and %s :P
2670                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2671
2672                 host_client->download_expectedposition = 0;
2673                 host_client->download_started = false;
2674                 host_client->sendsignon = true; // make sure this message is sent
2675                 return;
2676         }
2677
2678         if (!FS_FileExists(host_client->download_name))
2679         {
2680                 SV_ClientPrintf("Download rejected: server does not have the file \"%s\"\nYou may need to separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2681                 Host_ClientCommands("\nstopdownload\n");
2682                 return;
2683         }
2684
2685         // check if the user is trying to download part of registered Quake(r)
2686         whichpack = FS_WhichPack(host_client->download_name);
2687         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2688         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2689         {
2690                 SV_ClientPrintf("Download rejected: file \"%s\" is part of registered Quake(r)\nYou must purchase Quake(r) from id Software or a retailer to get this file\nPlease go to http://www.idsoftware.com/games/quake/quake/index.php?game_section=buy\n", host_client->download_name);
2691                 Host_ClientCommands("\nstopdownload\n");
2692                 return;
2693         }
2694
2695         // check if the server has forbidden archive downloads entirely
2696         if (!sv_allowdownloads_inarchive.integer)
2697         {
2698                 whichpack = FS_WhichPack(host_client->download_name);
2699                 if (whichpack)
2700                 {
2701                         SV_ClientPrintf("Download rejected: file \"%s\" is in an archive (\"%s\")\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name, whichpack);
2702                         Host_ClientCommands("\nstopdownload\n");
2703                         return;
2704                 }
2705         }
2706
2707         if (!sv_allowdownloads_config.integer)
2708         {
2709                 if (!strcasecmp(extension, "cfg"))
2710                 {
2711                         SV_ClientPrintf("Download rejected: file \"%s\" is a .cfg file which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2712                         Host_ClientCommands("\nstopdownload\n");
2713                         return;
2714                 }
2715         }
2716
2717         if (!sv_allowdownloads_dlcache.integer)
2718         {
2719                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2720                 {
2721                         SV_ClientPrintf("Download rejected: file \"%s\" is in the dlcache/ directory which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2722                         Host_ClientCommands("\nstopdownload\n");
2723                         return;
2724                 }
2725         }
2726
2727         if (!sv_allowdownloads_archive.integer)
2728         {
2729                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2730                 {
2731                         SV_ClientPrintf("Download rejected: file \"%s\" is an archive\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2732                         Host_ClientCommands("\nstopdownload\n");
2733                         return;
2734                 }
2735         }
2736
2737         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2738         if (!host_client->download_file)
2739         {
2740                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2741                 Host_ClientCommands("\nstopdownload\n");
2742                 return;
2743         }
2744
2745         if (FS_FileSize(host_client->download_file) > 1<<30)
2746         {
2747                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2748                 Host_ClientCommands("\nstopdownload\n");
2749                 FS_Close(host_client->download_file);
2750                 host_client->download_file = NULL;
2751                 return;
2752         }
2753
2754         if (FS_FileSize(host_client->download_file) < 0)
2755         {
2756                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2757                 Host_ClientCommands("\nstopdownload\n");
2758                 FS_Close(host_client->download_file);
2759                 host_client->download_file = NULL;
2760                 return;
2761         }
2762
2763         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2764
2765         /*
2766          * we can only do this if we would actually deflate on the fly
2767          * which we do not (yet)!
2768         {
2769                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2770                 extensions[0] = '\0';
2771
2772                 if(host_client->download_deflate)
2773                         strlcat(extensions, " deflate", sizeof(extensions));
2774
2775                 // no, no space is needed between %s and %s :P
2776                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2777         }
2778         */
2779         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2780
2781         host_client->download_expectedposition = 0;
2782         host_client->download_started = false;
2783         host_client->sendsignon = true; // make sure this message is sent
2784
2785         // the rest of the download process is handled in SV_SendClientDatagram
2786         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2787         //
2788         // no svc_downloaddata messages will be sent until sv_startdownload is
2789         // sent by the client
2790 }
2791
2792 /*
2793 ==============================================================================
2794
2795 SERVER SPAWNING
2796
2797 ==============================================================================
2798 */
2799
2800 /*
2801 ================
2802 SV_ModelIndex
2803
2804 ================
2805 */
2806 int SV_ModelIndex(const char *s, int precachemode)
2807 {
2808         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_MODELS);
2809         char filename[MAX_QPATH];
2810         if (!s || !*s)
2811                 return 0;
2812         // testing
2813         //if (precachemode == 2)
2814         //      return 0;
2815         strlcpy(filename, s, sizeof(filename));
2816         for (i = 2;i < limit;i++)
2817         {
2818                 if (!sv.model_precache[i][0])
2819                 {
2820                         if (precachemode)
2821                         {
2822                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2823                                 {
2824                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2825                                         return 0;
2826                                 }
2827                                 if (precachemode == 1)
2828                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2829                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2830                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2831                                 if (sv.state != ss_loading)
2832                                 {
2833                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2834                                         MSG_WriteShort(&sv.reliable_datagram, i);
2835                                         MSG_WriteString(&sv.reliable_datagram, filename);
2836                                 }
2837                                 return i;
2838                         }
2839                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2840                         return 0;
2841                 }
2842                 if (!strcmp(sv.model_precache[i], filename))
2843                         return i;
2844         }
2845         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2846         return 0;
2847 }
2848
2849 /*
2850 ================
2851 SV_SoundIndex
2852
2853 ================
2854 */
2855 int SV_SoundIndex(const char *s, int precachemode)
2856 {
2857         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_SOUNDS);
2858         char filename[MAX_QPATH];
2859         if (!s || !*s)
2860                 return 0;
2861         // testing
2862         //if (precachemode == 2)
2863         //      return 0;
2864         strlcpy(filename, s, sizeof(filename));
2865         for (i = 1;i < limit;i++)
2866         {
2867                 if (!sv.sound_precache[i][0])
2868                 {
2869                         if (precachemode)
2870                         {
2871                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2872                                 {
2873                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2874                                         return 0;
2875                                 }
2876                                 if (precachemode == 1)
2877                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2878                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2879                                 if (sv.state != ss_loading)
2880                                 {
2881                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2882                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2883                                         MSG_WriteString(&sv.reliable_datagram, filename);
2884                                 }
2885                                 return i;
2886                         }
2887                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2888                         return 0;
2889                 }
2890                 if (!strcmp(sv.sound_precache[i], filename))
2891                         return i;
2892         }
2893         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2894         return 0;
2895 }
2896
2897 /*
2898 ================
2899 SV_ParticleEffectIndex
2900
2901 ================
2902 */
2903 int SV_ParticleEffectIndex(const char *name)
2904 {
2905         int i, argc, linenumber, effectnameindex;
2906         int filepass;
2907         fs_offset_t filesize;
2908         unsigned char *filedata;
2909         const char *text;
2910         const char *textstart;
2911         //const char *textend;
2912         char argv[16][1024];
2913         char filename[MAX_QPATH];
2914         if (!sv.particleeffectnamesloaded)
2915         {
2916                 sv.particleeffectnamesloaded = true;
2917                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2918                 for (i = 0;i < EFFECT_TOTAL;i++)
2919                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2920                 for (filepass = 0;;filepass++)
2921                 {
2922                         if (filepass == 0)
2923                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2924                         else if (filepass == 1)
2925                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2926                         else
2927                                 break;
2928                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2929                         if (!filedata)
2930                                 continue;
2931                         textstart = (const char *)filedata;
2932                         //textend = (const char *)filedata + filesize;
2933                         text = textstart;
2934                         for (linenumber = 1;;linenumber++)
2935                         {
2936                                 argc = 0;
2937                                 for (;;)
2938                                 {
2939                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2940                                                 break;
2941                                         if (argc < 16)
2942                                         {
2943                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2944                                                 argc++;
2945                                         }
2946                                 }
2947                                 if (com_token[0] == 0)
2948                                         break; // if the loop exited and it's not a \n, it's EOF
2949                                 if (argc < 1)
2950                                         continue;
2951                                 if (!strcmp(argv[0], "effect"))
2952                                 {
2953                                         if (argc == 2)
2954                                         {
2955                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2956                                                 {
2957                                                         if (sv.particleeffectname[effectnameindex][0])
2958                                                         {
2959                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2960                                                                         break;
2961                                                         }
2962                                                         else
2963                                                         {
2964                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2965                                                                 break;
2966                                                         }
2967                                                 }
2968                                                 // if we run out of names, abort
2969                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2970                                                 {
2971                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2972                                                         break;
2973                                                 }
2974                                         }
2975                                 }
2976                         }
2977                         Mem_Free(filedata);
2978                 }
2979         }
2980         // search for the name
2981         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2982                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2983                         return effectnameindex;
2984         // return 0 if we couldn't find it
2985         return 0;
2986 }
2987
2988 dp_model_t *SV_GetModelByIndex(int modelindex)
2989 {
2990         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2991 }
2992
2993 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2994 {
2995         int modelindex;
2996         if (!ed || ed->priv.server->free)
2997                 return NULL;
2998         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
2999         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3000 }
3001
3002 /*
3003 ================
3004 SV_CreateBaseline
3005
3006 ================
3007 */
3008 static void SV_CreateBaseline (void)
3009 {
3010         int i, entnum, large;
3011         prvm_edict_t *svent;
3012
3013         // LordHavoc: clear *all* states (note just active ones)
3014         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3015         {
3016                 // get the current server version
3017                 svent = PRVM_EDICT_NUM(entnum);
3018
3019                 // LordHavoc: always clear state values, whether the entity is in use or not
3020                 svent->priv.server->baseline = defaultstate;
3021
3022                 if (svent->priv.server->free)
3023                         continue;
3024                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3025                         continue;
3026
3027                 // create entity baseline
3028                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3029                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3030                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3031                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3032                 if (entnum > 0 && entnum <= svs.maxclients)
3033                 {
3034                         svent->priv.server->baseline.colormap = entnum;
3035                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3036                 }
3037                 else
3038                 {
3039                         svent->priv.server->baseline.colormap = 0;
3040                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3041                 }
3042
3043                 large = false;
3044                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3045                 {
3046                         large = true;
3047                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3048                                 large = false;
3049                 }
3050
3051                 // add to the message
3052                 if (large)
3053                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3054                 else
3055                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3056                 MSG_WriteShort (&sv.signon, entnum);
3057
3058                 if (large)
3059                 {
3060                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3061                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3062                 }
3063                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3064                 {
3065                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3066                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3067                 }
3068                 else
3069                 {
3070                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3071                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3072                 }
3073                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3074                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3075                 for (i=0 ; i<3 ; i++)
3076                 {
3077                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3078                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3079                 }
3080         }
3081 }
3082
3083 /*
3084 ================
3085 SV_Prepare_CSQC
3086
3087 Load csprogs.dat and comperss it so it doesn't need to be
3088 reloaded on request.
3089 ================
3090 */
3091 void SV_Prepare_CSQC(void)
3092 {
3093         fs_offset_t progsize;
3094
3095         if(svs.csqc_progdata)
3096         {
3097                 Con_DPrintf("Unloading old CSQC data.\n");
3098                 Mem_Free(svs.csqc_progdata);
3099                 if(svs.csqc_progdata_deflated)
3100                         Mem_Free(svs.csqc_progdata_deflated);
3101         }
3102
3103         svs.csqc_progdata = NULL;
3104         svs.csqc_progdata_deflated = NULL;
3105
3106         sv.csqc_progname[0] = 0;
3107         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3108
3109         if(progsize > 0)
3110         {
3111                 size_t deflated_size;
3112
3113                 sv.csqc_progsize = (int)progsize;
3114                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3115                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3116                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3117
3118                 Con_DPrint("Compressing csprogs.dat\n");
3119                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3120                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3121                 svs.csqc_progsize_deflated = (int)deflated_size;
3122                 if(svs.csqc_progdata_deflated)
3123                 {
3124                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3125                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3126                 }
3127                 else
3128                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3129         }
3130 }
3131
3132 /*
3133 ================
3134 SV_SaveSpawnparms
3135
3136 Grabs the current state of each client for saving across the
3137 transition to another level
3138 ================
3139 */
3140 void SV_SaveSpawnparms (void)
3141 {
3142         int             i, j;
3143
3144         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3145
3146         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3147         {
3148                 if (!host_client->active)
3149                         continue;
3150
3151         // call the progs to get default spawn parms for the new client
3152                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3153                 PRVM_ExecuteProgram (PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3154                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3155                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3156         }
3157 }
3158
3159 /*
3160 ================
3161 SV_SpawnServer
3162
3163 This is called at the start of each level
3164 ================
3165 */
3166
3167 void SV_SpawnServer (const char *server)
3168 {
3169         prvm_edict_t *ent;
3170         int i;
3171         char *entities;
3172         dp_model_t *worldmodel;
3173         char modelname[sizeof(sv.worldname)];
3174
3175         Con_DPrintf("SpawnServer: %s\n", server);
3176
3177         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3178
3179         if (!FS_FileExists(modelname))
3180         {
3181                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3182                 if (!FS_FileExists(modelname))
3183                 {
3184                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3185                         return;
3186                 }
3187         }
3188
3189         if (cls.state != ca_dedicated)
3190         {
3191                 SCR_BeginLoadingPlaque();
3192                 S_StopAllSounds();
3193         }
3194
3195         if(sv.active)
3196         {
3197                 SV_VM_Begin();
3198                 World_End(&sv.world);
3199                 if(PRVM_serverfunction(SV_Shutdown))
3200                 {
3201                         func_t s = PRVM_serverfunction(SV_Shutdown);
3202                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3203                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3204                 }
3205                 SV_VM_End();
3206         }
3207
3208         // free q3 shaders so that any newly downloaded shaders will be active
3209         Mod_FreeQ3Shaders();
3210
3211         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3212         if (!worldmodel || !worldmodel->TraceBox)
3213         {
3214                 Con_Printf("Couldn't load map %s\n", modelname);
3215                 return;
3216         }
3217
3218         Collision_Cache_Reset(true);
3219
3220         // let's not have any servers with no name
3221         if (hostname.string[0] == 0)
3222                 Cvar_Set ("hostname", "UNNAMED");
3223         scr_centertime_off = 0;
3224
3225         svs.changelevel_issued = false;         // now safe to issue another
3226
3227         // make the map a required file for clients
3228         Curl_ClearRequirements();
3229         Curl_RequireFile(modelname);
3230
3231 //
3232 // tell all connected clients that we are going to a new level
3233 //
3234         if (sv.active)
3235         {
3236                 client_t *client;
3237                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3238                 {
3239                         if (client->netconnection)
3240                         {
3241                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3242                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3243                         }
3244                 }
3245         }
3246         else
3247         {
3248                 // open server port
3249                 NetConn_OpenServerPorts(true);
3250         }
3251
3252 //
3253 // make cvars consistant
3254 //
3255         if (coop.integer)
3256                 Cvar_SetValue ("deathmatch", 0);
3257         // LordHavoc: it can be useful to have skills outside the range 0-3...
3258         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3259         //Cvar_SetValue ("skill", (float)current_skill);
3260         current_skill = (int)(skill.value + 0.5);
3261
3262 //
3263 // set up the new server
3264 //
3265         memset (&sv, 0, sizeof(sv));
3266         // if running a local client, make sure it doesn't try to access the last
3267         // level's data which is no longer valiud
3268         cls.signon = 0;
3269
3270         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3271
3272         if(*sv_random_seed.string)
3273         {
3274                 srand(sv_random_seed.integer);
3275                 Con_Printf("NOTE: random seed is %d; use for debugging/benchmarking only!\nUnset sv_random_seed to get real random numbers again.\n", sv_random_seed.integer);
3276         }
3277
3278         SV_VM_Setup();
3279
3280         sv.active = true;
3281
3282         // set level base name variables for later use
3283         strlcpy (sv.name, server, sizeof (sv.name));
3284         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3285         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3286         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3287         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3288         Cvar_SetQuick(&sv_worldname, sv.worldname);
3289         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3290         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3291
3292         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3293         if (sv.protocol == PROTOCOL_UNKNOWN)
3294         {
3295                 char buffer[1024];
3296                 Protocol_Names(buffer, sizeof(buffer));
3297                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3298                 sv.protocol = PROTOCOL_QUAKE;
3299         }
3300
3301         SV_VM_Begin();
3302
3303 // load progs to get entity field count
3304         //PR_LoadProgs ( sv_progs.string );
3305
3306         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3307         sv.datagram.cursize = 0;
3308         sv.datagram.data = sv.datagram_buf;
3309
3310         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3311         sv.reliable_datagram.cursize = 0;
3312         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3313
3314         sv.signon.maxsize = sizeof(sv.signon_buf);
3315         sv.signon.cursize = 0;
3316         sv.signon.data = sv.signon_buf;
3317
3318 // leave slots at start for clients only
3319         //prog->num_edicts = svs.maxclients+1;
3320
3321         sv.state = ss_loading;
3322         prog->allowworldwrites = true;
3323         sv.paused = false;
3324
3325         PRVM_serverglobalfloat(time) = sv.time = 1.0;
3326
3327         Mod_ClearUsed();
3328         worldmodel->used = true;
3329
3330         sv.worldmodel = worldmodel;
3331         sv.models[1] = sv.worldmodel;
3332
3333 //
3334 // clear world interaction links
3335 //
3336         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3337         World_Start(&sv.world);
3338
3339         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3340
3341         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3342         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3343         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3344         {
3345                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3346                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3347         }
3348         if(i < sv.worldmodel->brush.numsubmodels)
3349                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3350
3351 //
3352 // load the rest of the entities
3353 //
3354         // AK possible hack since num_edicts is still 0
3355         ent = PRVM_EDICT_NUM(0);
3356         memset (ent->fields.vp, 0, prog->entityfields * 4);
3357         ent->priv.server->free = false;
3358         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(sv.worldname);
3359         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3360         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3361         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3362         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3363         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3364         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3365         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3366
3367         if (coop.value)
3368                 PRVM_serverglobalfloat(coop) = coop.integer;
3369         else
3370                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3371
3372         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(sv.name);
3373
3374 // serverflags are for cross level information (sigils)
3375         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3376
3377         // we need to reset the spawned flag on all connected clients here so that
3378         // their thinks don't run during startup (before PutClientInServer)
3379         // we also need to set up the client entities now
3380         // and we need to set the ->edict pointers to point into the progs edicts
3381         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3382         {
3383                 host_client->spawned = false;
3384                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3385                 PRVM_ED_ClearEdict(host_client->edict);
3386         }
3387
3388         // load replacement entity file if found
3389         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3390         {
3391                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3392                 PRVM_ED_LoadFromFile (entities);
3393                 Mem_Free(entities);
3394         }
3395         else
3396                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3397
3398
3399         // LordHavoc: clear world angles (to fix e3m3.bsp)
3400         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3401
3402 // all setup is completed, any further precache statements are errors
3403 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3404         prog->allowworldwrites = false;
3405
3406 // run two frames to allow everything to settle
3407         PRVM_serverglobalfloat(time) = sv.time = 1.0001;
3408         for (i = 0;i < 2;i++)
3409         {
3410                 sv.frametime = 0.1;
3411                 SV_Physics ();
3412         }
3413
3414         if (cls.state == ca_dedicated)
3415                 Mod_PurgeUnused();
3416
3417 // create a baseline for more efficient communications
3418         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3419                 SV_CreateBaseline ();
3420
3421         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3422
3423         // to prevent network timeouts
3424         realtime = Sys_DoubleTime();
3425
3426 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3427         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3428         {
3429                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3430                 if (!host_client->active)
3431                         continue;
3432                 if (host_client->netconnection)
3433                         SV_SendServerinfo(host_client);
3434                 else
3435                 {
3436                         int j;
3437                         // if client is a botclient coming from a level change, we need to
3438                         // set up client info that normally requires networking
3439
3440                         // copy spawn parms out of the client_t
3441                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3442                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3443
3444                         // call the spawn function
3445                         host_client->clientconnectcalled = true;
3446                         PRVM_serverglobalfloat(time) = sv.time;
3447                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3448                         PRVM_ExecuteProgram (PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3449                         PRVM_ExecuteProgram (PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3450                         host_client->spawned = true;
3451                 }
3452         }
3453
3454         // update the map title cvar
3455         strlcpy(sv.worldmessage, PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3456         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3457
3458         Con_DPrint("Server spawned.\n");
3459         NetConn_Heartbeat (2);
3460
3461         SV_VM_End();
3462 }
3463
3464 /////////////////////////////////////////////////////
3465 // SV VM stuff
3466
3467 static void SV_VM_CB_BeginIncreaseEdicts(void)
3468 {
3469         // links don't survive the transition, so unlink everything
3470         World_UnlinkAll(&sv.world);
3471 }
3472
3473 static void SV_VM_CB_EndIncreaseEdicts(void)
3474 {
3475         int i;
3476         prvm_edict_t *ent;
3477
3478         // link every entity except world
3479         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3480                 if (!ent->priv.server->free)
3481                         SV_LinkEdict(ent);
3482 }
3483
3484 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3485 {
3486         // LordHavoc: for consistency set these here
3487         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3488
3489         e->priv.server->move = false; // don't move on first frame
3490
3491         if (num >= 0 && num < svs.maxclients)
3492         {
3493                 // set colormap and team on newly created player entity
3494                 PRVM_serveredictfloat(e, colormap) = num + 1;
3495                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3496                 // set netname/clientcolors back to client values so that
3497                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3498                 // reset them
3499                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(svs.clients[num].name);
3500                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3501                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3502                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3503                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3504                 // Assign netaddress (IP Address, etc)
3505                 if(svs.clients[num].netconnection != NULL)
3506                 {
3507                         // Acquire Readable Address
3508                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3509                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3510                 }
3511                 else
3512                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString("null/botclient");
3513                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3514                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3515                 else
3516                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3517                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3518                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3519                 else
3520                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3521                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3522                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3523                 else
3524                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3525                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3526                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3527                 else
3528                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3529                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3530                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3531                 else
3532                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3533         }
3534 }
3535
3536 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3537 {
3538         int i;
3539         int e;
3540
3541         World_UnlinkEdict(ed);          // unlink from world bsp
3542
3543         PRVM_serveredictstring(ed, model) = 0;
3544         PRVM_serveredictfloat(ed, takedamage) = 0;
3545         PRVM_serveredictfloat(ed, modelindex) = 0;
3546         PRVM_serveredictfloat(ed, colormap) = 0;
3547         PRVM_serveredictfloat(ed, skin) = 0;
3548         PRVM_serveredictfloat(ed, frame) = 0;
3549         VectorClear(PRVM_serveredictvector(ed, origin));
3550         VectorClear(PRVM_serveredictvector(ed, angles));
3551         PRVM_serveredictfloat(ed, nextthink) = -1;
3552         PRVM_serveredictfloat(ed, solid) = 0;
3553
3554         VM_RemoveEdictSkeleton(ed);
3555         World_Physics_RemoveFromEntity(&sv.world, ed);
3556         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3557
3558         // make sure csqc networking is aware of the removed entity
3559         e = PRVM_NUM_FOR_EDICT(ed);
3560         sv.csqcentityversion[e] = 0;
3561         for (i = 0;i < svs.maxclients;i++)
3562         {
3563                 if (svs.clients[i].csqcentityscope[e])
3564                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3565                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3566         }
3567 }
3568
3569 static void SV_VM_CB_CountEdicts(void)
3570 {
3571         int             i;
3572         prvm_edict_t    *ent;
3573         int             active, models, solid, step;
3574
3575         active = models = solid = step = 0;
3576         for (i=0 ; i<prog->num_edicts ; i++)
3577         {
3578                 ent = PRVM_EDICT_NUM(i);
3579                 if (ent->priv.server->free)
3580                         continue;
3581                 active++;
3582                 if (PRVM_serveredictfloat(ent, solid))
3583                         solid++;
3584                 if (PRVM_serveredictstring(ent, model))
3585                         models++;
3586                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3587                         step++;
3588         }
3589
3590         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3591         Con_Printf("active    :%3i\n", active);
3592         Con_Printf("view      :%3i\n", models);
3593         Con_Printf("touch     :%3i\n", solid);
3594         Con_Printf("step      :%3i\n", step);
3595 }
3596
3597 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3598 {
3599         // remove things from different skill levels or deathmatch
3600         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3601         {
3602                 if (deathmatch.integer)
3603                 {
3604                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3605                         {
3606                                 return false;
3607                         }
3608                 }
3609                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3610                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3611                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3612                 {
3613                         return false;
3614                 }
3615         }
3616         return true;
3617 }
3618
3619 static void SV_VM_Setup(void)
3620 {
3621         PRVM_Begin;
3622         PRVM_InitProg( PRVM_SERVERPROG );
3623
3624         // allocate the mempools
3625         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3626         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3627         prog->builtins = vm_sv_builtins;
3628         prog->numbuiltins = vm_sv_numbuiltins;
3629         prog->max_edicts = 512;
3630         if (sv.protocol == PROTOCOL_QUAKE)
3631                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3632         else if (sv.protocol == PROTOCOL_QUAKEDP)
3633                 prog->limit_edicts = 2048; // guessing
3634         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3635                 prog->limit_edicts = 2048; // guessing!
3636         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3637                 prog->limit_edicts = 4096; // guessing!
3638         else
3639                 prog->limit_edicts = MAX_EDICTS;
3640         prog->reserved_edicts = svs.maxclients;
3641         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3642         prog->name = "server";
3643         prog->extensionstring = vm_sv_extensions;
3644         prog->loadintoworld = true;
3645
3646         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3647         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3648         prog->init_edict = SV_VM_CB_InitEdict;
3649         prog->free_edict = SV_VM_CB_FreeEdict;
3650         prog->count_edicts = SV_VM_CB_CountEdicts;
3651         prog->load_edict = SV_VM_CB_LoadEdict;
3652         prog->init_cmd = VM_SV_Cmd_Init;
3653         prog->reset_cmd = VM_SV_Cmd_Reset;
3654         prog->error_cmd = Host_Error;
3655         prog->ExecuteProgram = SVVM_ExecuteProgram;
3656
3657         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3658
3659         // some mods compiled with scrambling compilers lack certain critical
3660         // global names and field names such as "self" and "time" and "nextthink"
3661         // so we have to set these offsets manually, matching the entvars_t
3662         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3663         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3664         {
3665                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3666                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3667                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3668                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3669                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3670                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3671                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3672                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3673                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3674                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3675                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3676                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3677                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3678                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3679                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3680                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3681                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3682                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3683                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3684                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3685                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3686                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3687                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3688                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3689                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3690                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3691                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3692                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3693                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3694                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3695                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3696                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3697                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3698                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3699                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3700                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3701                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3702                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3703                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3704                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3705                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3706                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3707                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3708                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3709                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3710                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3711                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3712                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3713                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3714                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3715                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3716                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3717                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3718                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3719                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3720                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3721                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3722                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3723                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3724                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3725                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3726                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3727                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3728                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3729                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3730                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3731                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3732                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3733                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3734                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3735                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3736                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3737                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3738                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3739                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3740                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3741                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3742                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3743                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3744                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3745                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3746                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3747                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3748                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3749                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3750                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3751                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3752                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3753                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3754                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3755                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3756                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3757                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3758                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3759                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3760                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3761                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3762                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3763                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3764                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3765                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3766                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3767                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3768                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3769                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3770                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3771                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3772                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3773                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3774                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3775                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3776                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3777                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3778                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3779                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3780                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3781                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3782                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3783                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3784                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3785                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3786 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3787 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3788 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3789 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3790 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3791 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3792 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3793 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3794 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3795 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3796         }
3797         else
3798                 Con_DPrintf("%s: %s system vars have been modified (CRC %i != engine %i), will not load in other engines", PRVM_NAME, sv_progs.string, prog->progs_crc, PROGHEADER_CRC);
3799
3800         // OP_STATE is always supported on server because we add fields/globals for it
3801         prog->flag |= PRVM_OP_STATE;
3802
3803         VM_CustomStats_Clear();//[515]: csqc
3804
3805         PRVM_End;
3806
3807         SV_Prepare_CSQC();
3808 }
3809
3810 void SV_VM_Begin(void)
3811 {
3812         PRVM_Begin;
3813         PRVM_SetProg( PRVM_SERVERPROG );
3814
3815         PRVM_serverglobalfloat(time) = (float) sv.time;
3816 }
3817
3818 void SV_VM_End(void)
3819 {
3820         PRVM_End;
3821 }